Istanbul
- The Peninsula Istanbul
- Ahc Ayasofya Hotel - Special Class
- Hagia Sofia Mansions Istanbul, Curio Collection By Hilton
- Hilton Istanbul Bosphorus
- Hilton Istanbul Bomonti
- Grand Hyatt Istanbul
- Four Seasons Hotel Istanbul At Sultanahmet
- Conrad Istanbul Bosphorus
- The Marmara Taksim
- Sura Hagia Sophia Hotel
- Istanbul Golden City Hotel
- Doubletree By Hilton Istanbul - Old Town
- Metropolitan Hotels Bosphorus - Special Category
- Melas Hotel Istanbul
- CVK Park Bosphorus Hotel Istanbul
- Novotel Istanbul Bosphorus Hotel
- Lionel Hotel Istanbul
- Moevenpick Hotel Istanbul Bosphorus
- Zagreb Hotel Istanbul Old City
- Barcelo Istanbul
- Great Fortune Design Hotel&Spa
- Shangri-La Bosphorus, Istanbul
- Port Bosphorus Hotel
- Lazzoni Hotel
- Ramada By Wyndham Istanbul Old City
- Hotel Ipek Palas
- The Stay Bosphorus
- Antea Palace Hotel & Spa
- Moevenpick Istanbul Hotel Golden Horn
- The Marmara Pera
- Ahc Old City Hotel
- Cevahir Hotel Istanbul Asia
- Elite World Grand Istanbul Kuecuekyali
- The Haze Karakoey
- Radisson Hotel President Old Town Istanbul
- Point Hotel Barbaros
- Hotel Amira Istanbul
- Windsor Hotel & Convention Center Istanbul
- Hotel Topkapi
- Glamour Hotel Istanbul Sirkeci
- Bosphorus Palace Hotel
- Antik Hotel Istanbul
- Ferman Port Hotel - Special Category
- Wyndham Grand Istanbul Kalamis Marina Hotel
- Moevenpick Hotel Istanbul Asia Airport
- Divan Istanbul
- Erboy Hotel Istanbul Sirkeci
- Doubletree By Hilton Istanbul - Moda
- Yotelair Istanbul Airport, Duty Free - International Transit Area
- Kalyon Hotel Istanbul
- Sura Design Hotel & Suites
- Union Hotel Karakoey
- Elite World Istanbul Taksim
- Weingart Istanbul
- Golden Horn Hotel
- Mandarin Oriental Bosphorus, Istanbul
- Elite World Istanbul Florya
- Radisson Blu Hotel Istanbul Pera
- Wanda Vista Istanbul
- Doubletree By Hilton Istanbul Topkapi
- Radisson Blu Bosphorus Hotel
- Armada Istanbul Old City Hotel
- Nidya Hotel Galataport
- Elite World Grand Istanbul Basin Ekspres
- Triada Hotel Karakoey
- Euro Design Hotel
- Walton Hotels Galata
- Mest Hotel Istanbul Sirkeci
- Le Meridien Istanbul Etiler
- Titanic City Taksim
- Alpek Hotel
- Radisson Blu Hotel Istanbul Ottomare
- Malta Bosphorus Hotel
- Orka Royal Hotel & Spa
- Hyatt Regency Istanbul Atakoy
- Ottoman'S Life Hotel Deluxe
- Nordstern Hotel Galata
- Ring Stone Hotels Bosphorus - Special Class
- Hotel Poem
- Occidental Taksim
- Sofitel Istanbul Taksim
- Jw Marriott Istanbul Bosphorus
- The Green Park Pendik
- Crowne Plaza Florya Istanbul By Ihg
- Manesol Boutique Galata
- Point Hotel Taksim
- Celal Sultan Hotel Special Class
- Bricks Hotel Istanbul
- Arise Hotel Golden Horn
- Ayasultan Hotel
- Grand Hotel De Pera
- Waw Hotel Galataport
- Sultanahmet Palace Hotel
- Almina Hotel - Special Class
- Istanbul Sirkeci Hotel
- Grand Palace Hotel
- Delta Hotel Istanbul & Old City
- Grand Cevahir Hotel Convention Center
- Hotel Sapphire
- Mercure Istanbul Bomonti
- The G Hotels Istanbul
- Movenpick Living Istanbul West
- Askoc Hotel & Spa
- Jw Marriott Hotel Istanbul Marmara Sea
- Dedeman Istanbul
- Dosso Dossi Hotels & Spa Downtown
- Sirkeci Park Hotel
- Seres Hotel Old City
- ibis Styles Istanbul Merter
- Fraser Place Anthill Istanbul
- Innova Sultanahmet Istanbul
- Barin Hotel
- Le Petit Palace Hotel - Special Category
- Edition Old City Hotel
- Boss Hotel Sultanahmet
- Limak Eurasia Luxury Hotel
- Romance Istanbul Hotel Boutique Class
- Ottoman Hotel Imperial-Special Category
- Hotel Yasmak Sultan
- Grand Yavuz Hotel Sultanahmet
- Demiray Hotel Old City
- Hotel Momento Golden Horn
- Millennium Istanbul Golden Horn
- My Dream Istanbul Hotel
- Danis Hotel & Spa Istanbul - Old City
- W Hotel Istanbul (Adults Only)
- Titanic Port Bakirkoy
- Ibis Istanbul Zeytinburnu
- The Halich Hotel Istanbul Karakoy - Special Category
- Aspera Hotel Altunizade
- Hotel Peninsula
- Manesol Old City Bosphorus
- Levni Hotel & Spa - Special Category
- 10 Karakoy
- Hyatt Centric Levent Istanbul
- Best Nobel Hotel
- Vespia Hotel
- Gleam Collection Hotel
- Fer Hotel
- The Artisan Hotel Istanbul - Mgallery Collection
- Sura Luxury Milion & Spa
- Cityloft 81
- The Nest Hotel
- Volley Hotel Istanbul
- Mercure Istanbul Altunizade
- Mercure Istanbul Sirkeci
- Asur Hotel
- Henna Hotel Istanbul
- Sunlight Hotel
- Cheers Hostel
- Somerset Maslak Istanbul
- Emirtimes Hotel Kadikoey
- Seher HOTEL
- Royan Hotel Hagia Sophia, A Member Of Radisson Individuals
- Ajwa Sultanahmet - Preferred Hotels Lvx Collection
- Sozbir Royal Residence Hotel
- Golden Crown Hotel
- Meroddi Bagdatliyan - 1892 Heritage Rooms By Galata Tower
- Ruby Hotel
- Grand Hotel Gulsoy Old City
- Hotel Des Arts Galata
- Mina Hotel - Special Category
- The Wilson Galata Hotel
- Uranus Istanbul Topkapi
- The Gate Kadikoey Downtown
- Santa Sophia Hotel - Istanbul
- Fraser Place Antasya Istanbul
- The Marist Hotel Kadikoy
- Hilton Mall Of Istanbul
- Mia Berre Hotels
- Four Points By Sheraton Istanbul Kagithane
- Cityloft 161
- Ibis Styles Istanbul Bomonti
- The Wings Hotels Karakoy
- Radisson Hotel Istanbul Sultanahmet
- Holiday Inn Istanbul City By Ihg
- Delita City Hotel
- Gorrion Hotel Istanbul
- Arden City Hotel-Special Category
- Beyazit Palace Hotel
- Atlantis Royal Hotel
- Premist Hotels Taksim
- The Galata Hotel Istanbul - Mgallery Collection
- Sheraton Istanbul Levent
- Hamitbey Hotel Yenikapi
- Ferman Hotel Old City -Special Category
- Hotel Arcadia Blue Istanbul
- AC Hotel Istanbul Macka
- Avicenna Hotel Sultanahmet
- Arena Hotel - Special Class
- Hotel Suadiye
- Orient Express & Spa By Orka Hotels
- Union Hotel Port
- The Hubi Hotel
- Amber Hotel & Spa
- Pullman Istanbul Hotel & Convention Center
- Istanbul Marriott Hotel Asia
- Hotel Olimpiyat
- Lady Diana Hotel
- Good Night Hotel Istanbul
- Marmara Deluxe Hotel
- Sinem Hotel
- Hotel Sultania Boutique Class
- Radisson Blu Hotel Istanbul Asia
- Mr Cas Hotels Taksim - Special Category
- Neorion Hotel - Special Class
- Erten Konak
- La Wisteria Boutique Hotel Istanbul
- Stay Inn Taksim Hostel
- Piya Sport Hotel
- Yilsam Sultanahmet Hotel
- Darkhill Hotel
- The Cettia Istanbul
- Art City Hotel Istanbul
- Tomtom Suites
- Hotellino Istanbul
- Galata Rasso Hotel
- Istanbul Life Hotel (Adults Only)
- Meydan Besiktas Hotel
- Istanbul Royal Hotel
- Cronton Design Hotel
- Menalo Hotel Premium Istanbul Airport
- Byotell Istanbul
- Mula Hotel
- Dilens Bosphorus Hotel
- Istanbul Old City Topkapi Porta Romanos Hotel Ottoman Heritage
- Radisson Collection Hotel, Vadistanbul
- Catch Hotel Sultanahmet-Special Category
- Helikon Business Hotel
- Sim Hotel
- Dora Pera Hotel
- Cihangir Palace Hotel
- Nowy Efendi Hotel - Special Category
- Istanbul Dora Hotel
- Grand Üsküdar Otel
- Weingart Seaside Hotel
- Beethoven Senfoni Hotel
- GALATAHAN Hotel Istanbul Karakoy
- Fide Hotel
- City Center Hotel Taksim Istanbul
- Ruz Hotels
- The Central House Istanbul Taksim
- Kerthill Hotel
- Han 1772 Hotel
- The Zanadu Istanbul
- Milord Hotel
- Ikiz Konak Boutique Hotel
- Petra Hotel Tuzla
- Pera Rasso Hotel
- La Cielo Hotel Bostanci
- Galata King Suites
- Imagine Istanbul - Sultanahmet
- Zin D Home Dudullu Suit Otel
- Sed Bosphorus Hotel
- Acar Suite Hotel
- Grand Hilarium Hotel
- Taxim Express Bosphorus Hotel
- Seven Hills Hotel - Special Category
- Galata Times Hotel
- The Bold Hotel
- Neda
- Hotel Yigitalp Istanbul
- Elibol Hotel Old City
- Hotel Centrum Istanbul
- Taksim Galataport Frz Burak Hotel
- May Hotel Istanbul
- Glamour Classic Hotel Istanbul Sirkeci
- Pen Hotel
- The Central House Istanbul Galata
- Palazzo Donizetti Istanbul, Tapestry Collection By Hilton
- Harem Hotel
- Anadolu Hotel
- Akgun Istanbul Hotel, WorldHotels Crafted
- Oba Hotel
- Galatower Hotel
- Kaya Istanbul Fair & Convention
- Regie Ottoman Istanbul - Special Category
- Antis Hotel-Special Category
- Walnut Shell Hotel - Old City Sultanahmet
- Concept Nisantasi Hotels & Spa
- The Elysium Styles Taksim
- The Grand Mira Hotel
- Antusa Design Hotel & Spa
- Monnas Suite
- Taxim Hill Hotel
- The Time Hotel Marina
- Gleam Bomonti Hotel
- Meretto Hotel Laleli
- Rotta Hotel Istanbul
- Cartoon Hotel
- Golden Horn Bosphorus Hotel
- G Tower Furnished Apartment Rentals Istanbul
- Ramada By Wyndham Istanbul Merter
- Tsl Serviced Apartments Batisehir
- Business Life Hotel Bakirköy
- Flats Company - Karakoy Apartment
- Best Hotel Pendik
- Taks-Inn Hotel
- Vital Hotel Fulya Istanbul Sisli
- Hotel Blue Ottoman