- 10 Karakoy Istanbul
- Abel Hotel
- Ac Hotel Istanbul Macka
- Ada Hotel Istanbul
- Ada Karakoy Hotel - Special Category
- Adahan Decamondo Pera, Autograph Collection
- Adamar Hotel - Special Class
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- Agora Life Hotel - Special Class
- Air Boss Istanbul Airport and Fair Hotel
- Airport Residence Kurtkoy
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- Akin Suites
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- All Seasons Hotel Istanbul
- Almina Hotel - Special Class
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- Alzer Hotel Special Class
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- Amiral Palace Hotel Boutique Class
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- Antis Hotel-Special Category
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- Apartman Istanbul
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- Arena Hotel Istanbul
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- Armada Istanbul Old City Hotel
- Armagrandi Spina Hotel-Special Category
- Art City Hotel Istanbul
- Artefes Hotel Old City
- Arts Hotel Istanbul - Special Class
- Arts Hotel Taksim
- Aruna Hotel
- Ascot Hotel Büyükada
- Asiklar Hotel By Sukru
- Asitane Life Hotel
- Askoc Hotel & Spa
- Asmali Hotel
- Aspen Hotel & Spa Istanbul Old City
- Asur Hotel
- Atik Palace Hotel
- Avantgarde Hotel Taksim
- Avantgarde Levent Hotel - Boutique Class
- Avcilar Inci Hotel
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- Ayasofya Hotel
- Aybar Hotel
- Aydinoglu Hotel
- Ayramin Hotel Taksim
- Azade Hotel
- Babu House
- Bahaus Guesthouse Hostel
- Balin Boutique Hotel
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- Barin Hotel
- Baron Hotel
- Basileus Hotel
- Bekdas Hotel Deluxe & Spa
- Bella Vista Hostel
- Bentley Hotel Bosphorus - Special Class
- Berjer Boutique Hotel & Spa
- Best Nobel Hotel
- Best Nobel Hotel 2
- Best Western Empire Palace
- Beyoglu Huzur Hotel
- Birlik Apart Hotel
- Birol Hotel
- Biz Cevahir Hotel Sultanahmet
- Blisstanbul Hotel
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- Blueway Hotel Historical
- Bof Hotels Ceo Suites Atasehir
- Boutique Saint Sophia
- Bricks Hotel Istanbul
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- Burgu Arjaan By Rotana
- Business Life Boutique Hotel & Spa
- Butterfly Suites
- Byotell Hotel Istanbul
- CVK Park Bosphorus Hotel Istanbul
- CVK Taksim Hotel Istanbul
- Carlton Hotel
- Cartoon Hotel
- Celal Sultan Hotel Special Class
- Cevahir Hotel Istanbul Asia
- Chambers Of The Boheme
- Cheers Hostel
- Cheers Lighthouse
- Cheers Midtown Hostel
- Cihangir Hotel
- Ciragan Palace Kempinski
- City Center Hotel Taksim
- Cityloft 81
- Clarion Hotel Golden Horn
- Clarion Hotel Istanbul Mahmutbey
- Collage Pera Hotel
- Collage Taksim Hotel
- Comfort Elite Hotels Old City
- Concept Nisantasi Hotels & Spa
- Conrad Istanbul Bosphorus
- Corinne Art & Boutique Hotel
- Crowne Plaza Istanbul - Asia
- Crowne Plaza Istanbul - Florya
- Crowne Plaza Istanbul - Harbiye
- Crowne Plaza Istanbul - Old City
- Crowne Plaza Istanbul - Oryapark
- Cumbali Luxury Boutique Hotel
- Dab Hotel
- Darkhill Hotel
- Darkmen Hotel 2
- Daru Sultan Hotels Galata
- Darussaade Istanbul
- De Marêe
- Dedeman Bostanci Istanbul Hotel & Convention Center
- Dedeman Istanbul
- Delta Hotel Istanbul
- Delta Hotels By Marriott Istanbul Levent
- Delta Hotels by Marriott Istanbul West
- Deluxe Golden Horn Sultanahmet Hotel
- Dencity Hotels & Spa
- Deniz Houses
- Derpa Suite Hotel Osmanbey
- Dersaadet Hotel Istanbul
- Diamond Royal Hotel
- Dilhayat Kalfa Hotel
- Divalis Hotel
- Divan Istanbul
- Divan Istanbul City
- Divas Hotel
- Diyar Hotel
- Dosso Dossi Hotels & Spa Downtown
- Dosso Dossi Hotels & Spa Golden Horn
- Dosso Dossi Hotels Old City
- DoubleTree by Hilton Istanbul - Avcilar
- DoubleTree by Hilton Istanbul - Moda
- DoubleTree by Hilton Istanbul - Old Town
- DoubleTree by Hilton Istanbul - Piyalepasa
- DoubleTree by Hilton Istanbul - Sirkeci
- DoubleTree by Hilton Istanbul Topkapi
- DoubleTree by Hilton Istanbul Umraniye
- Dundar Hotel & Spa
- Edition Old City Hotel
- Elemet Taksim Suites
- Elite Marmara Gungoren
- Elite World Comfy Istanbul Taksim
- Elite World Europe Hotel
- Elite World Istanbul Florya
- Elite World Istanbul Taksim
- Emporium Hotel
- Enderun Hotel Istanbul
- Endless Suites Taksim
- Entes Apart
- Erbazlar Hotel
- Erboy Hotel Istanbul
- Ercan Inn Hotel
- Erenler Hotel & Hostel
- Eresin Hotels Sultanahmet - Boutique Class
- Eresin Hotels Topkapi
- Erten Konak
- Escardin Hotel
- Euro Park Otel
- Eurostars Hotel Old City
- Expoist Hotel
- Express Inci Airport Hotel
- Faik Pasha Suites
- Fairmont Quasar Istanbul
- Faros Hotel Old City - Special Category
- Faros Hotel Taksim
- Fatih Hotel Corner
- Fer Hotel
- Ferman Hilal Hotel
- Ferman Hotel Old City -Special Category
- Feronya Hotel
- Fitas Oda Beyoglu
- Four Seasons Hotel Istanbul at Sultanahmet
- Four Seasons Hotel Istanbul at the Bosphorus
- Fraser Place Antasya Istanbul
- Fraser Place Anthill Istanbul
- Fuar Hotel
- Fuat Pasa Yalisi - Special Category Bosphorus
- GLK PREMIER Regency Suites & Spa
- Galata Antique Hotel
- Galata Life Istanbul
- Garden House Hotel - Special Class
- Gen Suites
- Germir Palas Hotel - Special Class
- Gezi Hotel Bosphorus, Istanbul, a Member of Design Hotels
- Gk Regency Suites Hotel
- Glamour Hotel Istanbul Sirkeci
- Glk Premier Sea Mansion Suites & Spa
- Glorious Hotel
- Golden Age Hotel Taksim
- Golden Ak Marmara Hotel
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- Golden Horn Hotel - Special Class
- Golden Horn Istanbul Hotel
- Golden Pen Hotel
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- Golden Tulip Istanbul Bayrampasa
- Gorrion Hotel Istanbul
- Grand Anka Hotel
- Grand Aras Hotel & Suites
- Grand As Hotel
- Grand Bazaar Hotel
- Grand Beyazit Hotel Old City
- Grand Cevahir Hotel Convention Center
- Grand Durmaz Hotel
- Grand Emir Hotel
- Grand Esen Hotel
- Grand Hotel Avcilar
- Grand Hotel De Pera
- Grand Hotel Gulsoy
- Grand Hotel Halic
- Grand Hotel Palmiye
- Grand Hyatt Istanbul
- Grand Istanbul Airport Hotel
- Grand Mark Hotel
- Grand Ons Hotel
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- Grand S Hotel
- Grand Sagcanlar Hotel
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- Grand Unal Hotel
- Grand Yavuz Hotel
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- Grand oral hotel
- Great Fortune Hotel & Spa
- Green Anka Hotel
- Gulhane Corner Hotel
- Gulhanepark Hotel & Spa
- Gumus Palace Hotel
- Gunes Hotel Merter
- HHK Hotel
- Halifaks Hotel
- Hampton by Hilton Istanbul Atakoy
- Hampton by Hilton Istanbul Kayasehir
- Hampton by Hilton Istanbul Kurtkoy
- Hampton by Hilton Istanbul Zeytinburnu
- Han Hotel
- Hanchi Hostel
- Harmony Hotel Merter & Spa
- Hilton Garden Inn Istanbul Ataturk Airport
- Hilton Garden Inn Istanbul Beylikduzu
- Hilton Istanbul Bakirkoy
- Hilton Istanbul Bomonti Hotel & Conference Center
- Hilton Istanbul Bosphorus
- Hilton Istanbul Kozyatagi
- Hilton Istanbul Maslak
- Hippodrome Hotel
- History Hotel
- Holiday Inn Express Istanbul - Altunizade
- Holiday Inn Istanbul - Sisli
- Holiday Inn Istanbul City
- Hotel Agan
- Hotel Akcinar
- Hotel Alp Guesthouse
- Hotel Amira Istanbul
- Hotel Arcadia Blue Istanbul
- Hotel Bazaar
- Hotel Black Tulip
- Hotel Broken Column
- Hotel Buhara Family Inn
- Hotel Bulvar Palas
- Hotel Buyuk Hamit
- Hotel California
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- Hotel Daphne
- Hotel Emirhan Palace
- Hotel Empress Zoe
- Hotel Erguvan - Special Category
- Hotel Evsen
- Hotel Expocity Istanbul
- Hotel Fehmi Bey
- Hotel Golden Way Giyimkent
- Hotel Grand Emin
- Hotel Gritti Pera
- Hotel Han
- Hotel Ibrahim Pasha
- Hotel Ipek Palas
- Hotel Le Mirage
- Hotel Mara Istanbul
- Hotel Momento - Special Category
- Hotel Morione & Spa Center
- Hotel Mosaic
- Hotel Nena
- Hotel New House
- Hotel Next2
- Hotel Niles Istanbul
- Hotel Pera Parma
- Hotel Prinkipos
- Hotel Rose Bouquets
- Hotel Sapphire
- Hotel Sari Konak
- Hotel Silviya
- Hotel Spectra Sultanahmet
- Hotel Star Park
- Hotel Suadiye
- Hotel Sultanahmet
- Hotel Sultanhill
- Hotel Sultania Boutique Class
- Hotel The Pera Hill
- Hotel The Public - Special Category
- Hotel Troya
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- Hotel Uyan-Special Category
- Hotel Venera
- Hotel Yasmak Sultan
- Hotel Yigitalp Istanbul
- Hotel Zurich Istanbul
- Hotellino
- Hurry Inn Merter Istanbul
- Hyatt Centric Levent Istanbul
- Hyatt Regency Istanbul Atakoy
- Hypnos Design House
- Ibis Istanbul Esenyurt
- Icon Istanbul Hotel
- Idylle Hotel
- Ilkbal Deluxe Hotel & Spa
- Innova Sultanahmet Istanbul
- Innpera Hotel
- Inntel Hotel Istanbul
- Intercontinental Istanbul, An IHG Hotel
- Invictum Residence Taksim Square
- Isg Sabiha Gökçen Airport Hotel
- Istanbul Comfort Hotel
- Istanbul Dedem Hotel 1
- Istanbul Dora Hotel
- Istanbul Golden City Hotel
- Istanbul Gonen Hotel
- Istanbul Life Hotel
- Istanbul Marriott Hotel Asia
- Istanbul Marriott Hotel Pendik
- Istanbul Marriott Hotel Sisli
- Istanbul Royal Hotel
- Istanbul Sydney Hotel
- Jakaranda Hotel
- Jazz Hotel Nisantasi
- Juliet Rooms & Kitchen
- Kadikoy Port Hotel
- Kafkas Hotel Istanbul
- Kalyon Hotel Istanbul
- Karakoy Aparts Hotel
- Kent Hotel Istanbul
- Klas Hotel
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- Kumru Hotel
- Kupeli Hotel
- Kuzen Otel
- La Pazza Suites
- Lady Diana Hotel
- Lal Hotel
- Lalahan
- Laleli Gonen Hotel
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- Lausos Palace Hotel
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- Levni Hotel & Spa - Special Category
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- Mac Hotel Vazo Kule
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- Manesol Boutique Galata
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- Mangana Konak Hotel
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- May Hotel Istanbul
- Mayi Hotel
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- Mb Deluxe Hotel
- Meddusa Hotel
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- Mekke Hotel Istanbul
- Mercure Istanbul Altunizade
- Mercure Istanbul Bomonti
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- Meroddi Bagdatliyan Hotel
- Meroddi Galata Mansion
- Metropolitan Hotels Bosphorus
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- Mina Hotel - Special Category
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- Molton Monapart Mecidiyekoy
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- Mr Cas Hotels - Special Class
- Muyan Suites
- My Assos Hotel
- Mövenpick Hotel Istanbul Bosphorus
- Mövenpick Istanbul Golden Horn
- Nagehan Hotel Old City
- Naila Hotel
- Naz City Hotel Taksim
- Nearport Hotel Sabiha Gokcen Airport
- Neda Hotel Istanbul
- Neorion Hotel - Special Class
- New Fatih Hotel
- Nexthouse Pera Hotel
- Nidya Hotel Esenyurt
- Nidya Hotel Galataport
- Nil Hotel
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- Nisantasi My Residence
- No11 Hotel & Apartments
- Nordstern Hotel Galata
- Nova Plaza Crystal Hotel & Spa
- Novotel Istanbul Karakoy
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- Nuru Ziya Suites
- Occidental Taksim
- Oceans 7 Hotel
- Old City Viva Hotel
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- Orient Express & Spa by Orka Hotels
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- Orka Taksim Suites & Hotel
- Ottoman Hotel Imperial-Special Category
- Ottoman Hotel Park - Special Category
- Ottopera Hotel
- P Galata Hotel - Special Category
- Palazzo Donizetti Hotel - Special Class
- Paradise Hotel
- Park Dedeman Bostanci Hotel
- Park Hyatt Istanbul - Macka Palas
- Park Inn by Radisson Istanbul Ataturk Airport
- Park Star Hotel Taksim
- Parmada Hotel Old City
- Pera Arya Hotel
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- Pera Rose Hotel
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- Peradays
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- Phosphorion Hotel
- Pianoforte by Febor Hotels&Spa
- Pierre Loti Hotel Old City- Special Category
- Piya Sport Hotel
- Point Hotel Barbaros
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- Port Bosphorus Hotel
- Premist Hotels Sultanahmet
- Prestige Hotel Old City
- Promise Hotel
- Pullman Istanbul Hotel & Convention Center
- Radisson Blu Bosphorus Hotel, Istanbul
- Radisson Blu Hotel & Spa, Istanbul Tuzla
- Radisson Blu Hotel Istanbul Ottomare
- Radisson Blu Hotel, Istanbul Asia, Turkey
- Radisson Blu Hotel, Istanbul Pera
- Radisson Blu Hotel, Istanbul Sisli
- Raffles Istanbul
- Ragip Pasha Apartments
- Ramada By Wyndham Istanbul Taksim
- Ramada Encore by Wyndham Istanbul Bayrampasa
- Ramada Hotel & Suites by Wyndham Istanbul Merter
- Ramada Hotel & Suites by Wyndham Istanbul Sisli
- Ramada Plaza by Wyndham Istanbul Atakoy
- Ramada Plaza by Wyndham Istanbul City Center
- Ramada Plaza by Wyndham Istanbul Tekstilkent
- Ramada by Wyndham Istanbul Alibeykoy
- Ramada by Wyndham Istanbul Florya
- Ramada by Wyndham Istanbul Golden Horn
- Ramada by Wyndham Istanbul Grand Bazaar
- Ramada by Wyndham Istanbul Old City
- Rast Hotel Sultanahmet
- Raymond Hotel
- Regard Hotel
- Renaissance Istanbul Polat Bosphorus Hotel
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- Renata Boutique Hotel - Boutique Class
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- Rixos Pera Istanbul
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- Room Mate Emir
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- Royal Suites Besiktas
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- Sahinler Hotel
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- Samil Hotel
- Santa Ottoman Hotel
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- Sarnic Hotel & Sarnic Premier Hotel - Ottoman Mansion
- Saruhan Hotel
- Seatanbul Hotel
- Sed Hotel
- Selenay Hotel
- Seminal Hotel
- Senabil Hotel Old City
- Senator Hotel Taksim
- Seraglio Hotel & Suites
- Serenity Suites Istanbul Airport
- Seres Hotel Old City
- Sevcan Hotel
- Seven Dreams Hotel
- Seven Hills Hotel - Special Class
- Shangri-La Bosphorus, Istanbul
- Sheraton Grand Istanbul Atasehir
- Sheraton Istanbul Ataköy Hotel
- Sinem Hotel
- Sirkeci Emek Hotel
- Sirkeci Ersu Hotel
- Sirkeci Mansion
- Sirkeci Park Hotel
- Sirkeci Quietness Hotel
- Skalion Hotel & Spa
- Sogut Hotel Old City
- Soho House Istanbul
- Sokullu Pasa Hotel - Special Class
- Somerset Maslak Istanbul
- Sorriso Hotel
- Spinel Hotel
- Splendid Palace
- Stanpoli Hostel
- Star Holiday Hotel
- Style Hotel Sisli
- Sub Karakoy - Special Category
- Sude Konak
- Sultan Corner Suites
- Sultan Hostel & Guesthouse
- Sultan House
- Sultan Tughra Hotel
- Sultanahmet Cesme Hotel
- Sultanahmet Palace Hotel
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- Sultanhan Hotel - Special Class
- Sultans Hotel
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- Sumengen Hotel
- Sura Design Hotel & Suites
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- Surmeli Istanbul Hotel
- Sv Bussiness Hotel Taksim
- Swissotel The Bosphorus Istanbul
- TRYP by Wyndham Istanbul Basin Ekspres
- TRYP by Wyndham Istanbul Taksim
- Taba Luxury Suites and Hotel
- Taksim Gonen Hotel
- Taksim Green House Hostel
- Taksim Istiklal Suites
- Taksim Line Hotel
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- Taksim Pera Orient Hotel
- Taksim Premium Hotel
- Taksim Santa Lucia Hotel
- Taksim Square Hotel
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- Tan Hotel - Special Class
- Tango Arjaan by Rotana Istanbul Asia
- Taxim Hill Hotel
- Taxim Lounge Hotel Special Category
- Taxim Marin Hotel
- Taximist Hotel
- Tempo Hotel 4Levent Istanbul
- Tempo Suites Airport
- Terra Suites
- Terrace Suites Istanbul
- The And Hotel Istanbul - Special Class
- The Artisan Istanbul MGallery
- The Bank Hotel Istanbul, a Member of Design Hotels
- The Byzantium Suites Hotel & Spa
- The Central Hotel
- The Central Palace Taksim
- The City Hotel
- The Elysium Taksim Special Class
- The G Hotels Istanbul
- The Galata Istanbul Hotel - MGallery
- The Grand Mira Business Hotel
- The Grand Tarabya
- The Green Park Bostanci
- The Green Park Merter
- The Green Park Taksim
- The Haze Karaköy
- The Hotel Beyaz Saray
- The House of Tulpan
- The Magnaura Palace Hotel
- The Marmara Pera
- The Marmara Sisli
- The Marmara Taksim
- The Meretto Hotel Istanbul Old City
- The Million Stone Hotel - Special Class
- The Parma Hotel Downtown
- The Parma Hotel Taksim
- The Peak Hotel & Spa
- The Pera Hotel
- The Ritz-Carlton Istanbul
- The Row Taksim Hotel
- The St. Regis Istanbul
- The Stay Bosphorus
- The Stay Boulevard Nisantasi
- The Stay Nisantasi
- The Story Hotel Pera
- The Time Hotel Old City
- The White Orient Hotel
- Tilia Hotel
- Timeks Hotel Sultanahmet
- Titanic Business Kartal
- Titanic City Taksim
- Titanic Port Bakirkoy
- Tomtom Suites
- Triada Hotel
- Tulip City Hotel
- Tunel Residence
- Turkoman Hotel
- Turkuaz Suites Bosphorus
- Turvan Hotel
- Tuyap Palas
- Tzl Suites
- Uranus Istanbul Topkapi
- Valide Sultan Konagi
- Vavien Hotel
- Vernazza Suites Hotel
- Vialand Palace Hotel
- Vicenza Hotel
- Victory Hotel & Spa Istanbul
- Villa Pera Suite Hotel
- Villa Vanilla Hotel & Spa Istanbul Asia
- Villa Zurich Hotel
- Viva Deluxe Hotel
- Vogue Hotel Supreme Istanbul
- Volley Hotel Istanbul
- Wabi Sabi Hostel Istanbul
- Walton Hotels Galata
- West Pera Hotel
- White House Hotel Istanbul
- White Monarch Hotel
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- Windsor Hotel & Convention Center
- Wish More Hotel Istanbul
- Witt Istanbul Suites
- World Point Hotel Istanbul
- Wow Airport Hotel
- Wow Istanbul Hotel
- Wyndham Grand Istanbul Europe
- Wyndham Grand Istanbul Kalamis Marina Hotel
- Wyndham Grand Istanbul Levent
- Zagreb Hotel
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- Zin D Home Dudullu Suits
- ibis Istanbul West
- ibis Istanbul Zeytinburnu
- ibis Styles Istanbul Bomonti
