Bed & Breakfast
BED AND BREAKFAST
Breakfast is included with your stay.
Choose a currency for your trip.
No currencies found. Try a name or currency code.
Room prices, availability, meal plans and cancellation terms are confirmed for your selected dates.
Le Régent Montmartre by Hiphophostels is centrally located in Paris, a 4-minute walk from La Cigale Theater and 8 minutes by foot from Sacré-Cœur Basilica. This hostel is 0. 8 mi (1. 3 km) from La Machine du Moulin Rouge and 2. 2 mi (3. 5 km) from Champs-Élysées. .
Make use of convenient amenities such as complimentary wireless Internet access, concierge services, and a television in a common area. . Make yourself at home in one of the 56 guestrooms. Complimentary wireless Internet access is available to keep you connected.
Conveniences include desks and blackout drapes/curtains, and housekeeping is provided daily. . Grab a bite from the snack bar/deli serving guests of Le Régent Montmartre by Hiphophostels. Buffet breakfasts are available daily from 7:30 AM to 10 AM for a fee. .
Featured amenities include complimentary wired Internet access, a business center, and express check-in. Planning an event in Paris? This hostel has 409 square feet (38 square meters) of space consisting of a conference center and a meeting room. . Distances are displayed to the nearest 0. 1 mile and kilometer.
La Cigale Theater - 0. 4 km / 0. 2 mi- Sacré-Cœur Basilica - 0. 6 km / 0. 4 mi- Moulin Rouge - 1 km / 0. 6 mi- La Machine du Moulin Rouge - 1 km / 0. 6 mi- Grands Boulevards - 1. 2 km / 0.
8 mi- Grevin Museum - 1. 3 km / 0. 8 mi- Boulevard Haussmann - 1. 4 km / 0. 9 mi- Place de Clichy - 1. 4 km / 0. 9 mi- Theatre Mogador - 1. 6 km / 1 mi- Galeries Lafayette - 1.
6 km / 1 mi- Place de l’Opéra - 1. 8 km / 1. 1 mi- Canal Saint-Martin - 1. 8 km / 1. 1 mi- Palais Garnier - 1. 8 km / 1. 1 mi- Printemps Department Store - 2 km / 1. 2 mi- Paris Olympia - 2.
1 km / 1. 3 mi. The nearest airports are: Paris Orly Airport (ORY) - 21. 6 km / 13. 4 mi Paris Charles de Gaulle Airport (CDG) - 28. 3 km / 17.
6 mi The preferred airport for Le Régent Montmartre by Hiphophostels is Paris Orly Airport (ORY). .
Le Régent Montmartre by Hiphophostels is centrally located in Paris, a 4-minute walk from La Cigale Theater and 8 minutes by foot from Sacré-Cœur Basilica. This hostel is 0.8 mi (1.4 km) from La Machine du Moulin Rouge and 1.8 mi (2.8 km) from Louvre Museum.
Make yourself at home in one of the 51 guestrooms. Complimentary wireless internet access is available to keep you connected. Bathrooms have complimentary toiletries and hair dryers. Conveniences include phones, as well as desks and fans. Featured amenities include express check-in, a 24-hour front desk, and multilingual staff.
You'll be asked to pay the following charges at the property. Fees may include applicable taxes:
We have included all charges provided to us by the property.
The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.
Portuguese
Greek
English
Italian
French
Spanish
Services and fees can vary. Check the selected room details and hotel policies before booking.
Meal options depend on the room and rate you choose. Search your dates to see which meal plans are included.
Bed & Breakfast
BED AND BREAKFAST
Breakfast is included with your stay.
Room Only
Accommodation only. Meals are usually not included.
These are the hotel's room types, rather than live offers. Choose your travel dates to see available rooms, prices and booking conditions. Check availability
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: TWN.ST-1
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: DBL.ST
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: FAM.WV
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: TPL.ST-1
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: TWN.AS
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: QUA.BL-WV
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: BED.WV
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Adult and child limits apply within the room's total guest limit.
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Select a photo to open the full-screen viewer.
Photos illustrate the room type; your assigned room may vary.
Adult and child limits apply within the room's total guest limit.
Room code: TWN.ST
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Adult and child limits apply within the room's total guest limit.
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Select a photo to open the full-screen viewer.
Photos illustrate the room type; your assigned room may vary.
Adult and child limits apply within the room's total guest limit.
Room code: BED.FA-1
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Adult and child limits apply within the room's total guest limit.
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Select a photo to open the full-screen viewer.
Photos illustrate the room type; your assigned room may vary.
Adult and child limits apply within the room's total guest limit.
Room code: DBL.AS
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: ROO.ST
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: ROO.SU
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Adult and child limits apply within the room's total guest limit.
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Select a photo to open the full-screen viewer.
Photos illustrate the room type; your assigned room may vary.
Adult and child limits apply within the room's total guest limit.
Room code: DBL.ST-1
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: SGL.ST
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: TWN.AS-DB
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: FAM.BK
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: FAM.2B-CV
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: QUA.ST-1
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: DBT.SU-WV
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: SGL.EY-1
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: ROO.C2
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: DBL.AS-1
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: QUA.NM
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: DBT.EY
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Adult and child limits apply within the room's total guest limit.
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Select a photo to open the full-screen viewer.
Photos illustrate the room type; your assigned room may vary.
Adult and child limits apply within the room's total guest limit.
Room code: SGL.EY-FH
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: BED.ST-1
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: QUA.BK-1
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: BED.FA-2
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: ROO.AS
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: DBL.EY
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: ROO.EY
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: ROO.RO
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: ROO.BL-SU
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Adult and child limits apply within the room's total guest limit.
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Select a photo to open the full-screen viewer.
Photos illustrate the room type; your assigned room may vary.
Adult and child limits apply within the room's total guest limit.
Room code: BED.ST
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: TWN.EY
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: ROO.C3
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Adult and child limits apply within the room's total guest limit.
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Select a photo to open the full-screen viewer.
Photo unavailable
Photo unavailable
Photo unavailable
Photo unavailable
Photo unavailable
Photo unavailable
Photo unavailable Photos illustrate the room type; your assigned room may vary.
Adult and child limits apply within the room's total guest limit.
Room code: DBL.SU
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Adult and child limits apply within the room's total guest limit.
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Select a photo to open the full-screen viewer.
Photos illustrate the room type; your assigned room may vary.
Adult and child limits apply within the room's total guest limit.
Room code: BED.BK-1
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: DBL.BL-SU
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: FAM.ST-1
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: ROO.2B
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: TWN.DB-SU
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: DBT.C2
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Adult and child limits apply within the room's total guest limit.
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Select a photo to open the full-screen viewer.
Photos illustrate the room type; your assigned room may vary.
Adult and child limits apply within the room's total guest limit.
Room code: QUA.BK
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: FAM.CV
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: DBT.AS-DB
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: QUA.C4
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
Check availabilityLe Régent Montmartre
Photos are not available for this room type.
Adult and child limits apply within the room's total guest limit.
Room code: ROO.SU-WV
Limited room details from hotel
Available rooms, prices and included facilities are confirmed after you choose your dates and rate.
No room types match your search. Try a room name or feature such as a balcony.
What other guests saying about Le Régent Montmartre
Convenience and economy in Montmartre.
Lovely place to stay
One-night stay
Nice overall except bed
Does the job
Satisfactory experience.
Definitely recommend and would stay again
So-so, but nothing special.
Clean and neat
Not stellar, but not horrible either
Hostel great location
Great place to stay
Good location
A lovely place to stay!
Clean, Comfortable, Convenient, Affordable
Amazing water pressure
Nice Hostel
Lovely place!!
Pars hostel
Very mediocre
On an upper floor, good view of Sacre Cour
Close to metro station and montmarte
Great hotel near to metro station
Nice hostel, near Sacre Coeur
Good location but unusable bathroom
Great location and lovely room
Great budget option at a good location
Nice Hostel near Montmatre
Good hostel , easy access to public transportation
Very good like Paris Street life outside rm window
Le Régent Montmartre
Boulevard Rochechouart, 37, Paris, France
Compare other stays close to this hotel. Choose travel dates to check availability.