Athens21 | Hotel in Athens, Greece

9.6 (406 Reviews) |  1 Bathroom
Monastiraki Hotel | Athens21

Hotel with Air Conditioner, Accessibility and Security

Concierge services, dry cleaning, and laundry facilities are available at this smoke-free hotel. WiFi in public areas is free. Additionally, tour/ticket assistance, a front-desk safe, and multilingual staff assistance are onsite.
Athens21 offers 19 air-conditioned accommodations with laptop-compatible safes and hair dryers. Smart televisions come with satellite channels.

Bathrooms include showers and complimentary toiletries. This Athens hotel provides complimentary wireless Internet access. Housekeeping is provided daily.

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21 Athinas, Athens, 105 54, Greece

Amenities

Air ConditionerAir Conditioner
Wheelchair AccessibleWheelchair Accessible
AccessibilityAccessibility
Security/SafetySecurity/Safety
Bedding/LinensBedding/Linens
Wellness FacilitiesWellness Facilities
ToiletriesToiletries
Guest ServicesGuest Services
BreakfastBreakfast
Child FriendlyChild Friendly
HeatingHeating
InternetInternet
LaundryLaundry

Facility Overview

BathroomsBathrooms
  • TowelsTowels
  • Free toiletriesFree toiletries
  • Hair dryerHair dryer
  • ShowerShower
  • Private bathroomPrivate bathroom
BedroomBedroom
  • Bed sheetsBed sheets
  • Blackout drapes/curtainsBlackout drapes/curtains
  • Free cribs/infant bedsFree cribs/infant beds
  • Air conditioningAir conditioning
  • HeatingHeating
  • Laptop-compatible safeLaptop-compatible safe
  • LED light bulbsLED light bulbs
  • SoundproofingSoundproofing
  • Local mapsLocal maps
  • PhonePhone
BreakfastBreakfast
  • Cooked-to-order breakfast available for a fee daily 7:00 AM–10:00 AM: EUR 15 for adults and EUR 15 for childrenCooked-to-order breakfast available for a fee daily 7:00 AM–10:00 AM: EUR 15 for adults and EUR 15 for children
  • Room service availableRoom service available
ParkingParking
  • No onsite parking availableNo onsite parking available
  • 24-hour roundtrip airport shuttle (surcharge)24-hour roundtrip airport shuttle (surcharge)
  • Airport shuttle on requestAirport shuttle on request
AccessibilityAccessibility
  • In-room accessibilityIn-room accessibility
  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • ElevatorElevator
EntertainmentEntertainment
  • Satellite channelsSatellite channels
  • Smart TVSmart TV
GeneralGeneral
  • Front-desk safeFront-desk safe
  • ElevatorElevator
  • FrenchFrench
  • SpanishSpanish
  • GermanGerman
  • ItalianItalian
  • GreekGreek
  • EnglishEnglish
  • Vegetarian dining optionsVegetarian dining options
  • Double-glazed windowsDouble-glazed windows
  • Smoke-free propertySmoke-free property
  • Locally-owned & organized tours & activitiesLocally-owned & organized tours & activities
  • At least 80% lighting from LEDsAt least 80% lighting from LEDs
Guest ServicesGuest Services
  • Free cribs/infant bedsFree cribs/infant beds
  • Soundproofed roomsSoundproofed rooms
  • Laundry facilitiesLaundry facilities
  • Multilingual staffMultilingual staff
  • Laundry facilitiesLaundry facilities
  • Daily housekeepingDaily housekeeping
  • Concierge servicesConcierge services
  • Tour/ticket assistanceTour/ticket assistance
  • Luggage storageLuggage storage
  • Front desk (limited hours)Front desk (limited hours)
  • Dry cleaning serviceDry cleaning service
InternetInternet
  • Available in all rooms: Free WiFiAvailable in all rooms: Free WiFi
  • Available in some public areas: Free WiFiAvailable in some public areas: Free WiFi

Policies

Check-in
Check-in
Check-in start time: 3:00 pm; check-in end time: midnight contactless check-in available minimum check-in age: 18
Check-out
Check-out
Check-out before 11:00 am contactless check-out available
Child Policy
Child Policy
Children are welcome. free cribs (infant beds)!
Payment Policy
Payment Policy
Fee for cooked-to-order breakfast: approximately eur 15 for adults and eur 15 for children airport shuttle fee: eur 50 per vehicle (one-way, maximum occupancy 3) the above list may not be comprehensive. fees and deposits may not include tax and are subject to change.
Pet Policy
Pet Policy
Pets not allowed
Extra-person charges may apply and vary depending on property policy government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges guests must contact this property in advance to reserve cribs/infant beds onsite parties or group events are strictly prohibited please note that cultural norms and guest policies may differ by country and by property; the policies listed are provided by the property property registration number 1109207 safety features at this property include a fire extinguisher, a smoke detector, and a first aid kit special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed this property accepts credit cards; cash is not accepted this property has outdoor spaces, such as balconies, patios, terraces which may not be suitable for children; if you have concerns, we recommend contacting the property prior to your arrival to confirm they can accommodate you in a suitable room

Reviews

Gabrielle
Sep 1, 2026 12:55:35 AM
Review Score:   10
Summary: Our stay at Athens 21 was perfect! The staff was incredibly friendly. The rooms were very clean. The location of the hotel is perfect to walk around to all the happening places! From the rooftop there is a great view of Acropolis. Would highly recommend.
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Room Arrangement

Room InfoFacilities
Superior Double or Twin Room
Room Size: 269 square feet m2
1 Double Bed
2 Twin Beds
Superior Double or Twin Room

General

Ping - 8, Square feet - 269, No rollaway/extra beds, Electric kettle, Square meters - 25, Bed count minimum 1, City view, Bed count maximum 2
Deluxe Room, Balcony (Acropolis view)
Room Size: 312 square feet m2
1 Double Bed
Deluxe Room, Balcony (Acropolis view)

General

Electric kettle, Kitchenette, Square meters - 29, Coffee/tea maker, Stovetop, Square feet - 312, No rollaway/extra beds, Balcony, Refrigerator, Ping - 8.77, Bed count minimum 1, Bed count maximum 1, City view
Junior Suite, City View
Room Size: 431 square feet m2
2 King Bed and Double Sofa Bed
Junior Suite, City View

General

Electric kettle, Kitchenette, Number of bedrooms - 1, Coffee/tea maker, Ping - 12, Stovetop, Number of living rooms 1, Square feet - 431, Square meters - 40, No rollaway/extra beds, Refrigerator, Bed count minimum 2, City view, Bed count maximum 2
Standard Room (1st floor)
Room Size: 215 square feet m2
1 Queen Bed
Standard Room (1st floor)

General

Square meters - 20, Square feet - 215, No rollaway/extra beds, Electric kettle, Ping - 6.04, Coffee/tea maker, Bed count minimum 1, Bed count maximum 1, City view

FAQ's

Is this Athens21 pet-friendly for guests? 

No, pets are not allowed at this property. Check the guest reviews to learn what guests had to share.

Does the Athens21 have a swimming pool? 

No, this Athens21 does not have a swimming pool. Check the Facility Overview section for details about the pool and other available facilities.

How much does it cost per night to stay in Athens21? 

Best-rates for the Athens21 starts from $144 per night with includes Air Conditioner, Wheelchair Accessible, Accessibility, Security/Safety, Bedding/Linens, Wellness Facilities, Toiletries, Guest Services, Breakfast, Child Friendly, Heating, Internet, Laundry with all other facilities. Casai.nz matches every traveler with their perfect accommodation, whether you are traveling with a group, friends, family, or pets.

Is Athens21 a family-friendly place to stay? 

Based on the information we have received from the owner or our partner, this is considered to be a family-friendly property. Families have rated this hotel good or guests have recommended them suitable for families. As reported by the owner or manager, the hotel has specified that children are welcome. Please see details about suitability for your family or inquire with the property to learn more.

Is the Athens21 wheelchair accessible or offer services for disabled guests? 

Based on the information received from our partner, the Athens21 is wheelchair accessible. Likewise, there is an elevator specified as being available at the property. Specific accessibility details may be addressed in the property details section of this page.

What is the minimum night stay policy for the Athens21? 

Based on the information reported by the owner or manager, the Athens21 indicates 1 day stay policy at this hotel. Guests are cautioned that the minimum stay policy may differ based on seasonality or availability and may be at the discretion of the owner or manager.

What cancellation policy is in place for Athens21? 

Based on the information reported by the owner or manager, details for the cancellation policy for the Athens21 are as follows: Cancellation policy Guests are cautioned that the cancellation policy may differ based on seasonality, availability, or current travel restrictions. Guests should also be aware that this policy may be subject to change and should be confirmed prior to booking. More details may be available on this page in the property description. However, early check-in or late check-out can sometimes be negotiated between the guest and the owner or the manager of this property.

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