- 10 Karakoy Istanbul
- 38 Hotel
- A11 Hotel Atasehir
- Abisso Hotel
- Ac Hotel Istanbul Macka
- Ada Antik Otel
- Ada Hotel Istanbul
- Ada Suites Nisantasi
- Adamar Hotel - Special Class
- Ag Sisli Hotel
- Agaoglu My City
- Agora Guesthouse
- Agora Life Hotel - Special Class
- Air Boss Istanbul Airport and Fair Hotel
- Airport Residence Kurtkoy
- Ajwa Sultanahmet
- Akbiyik Suite
- Akgun Istanbul Hotel
- Akka Lush Hotel Taksim
- Aladeniz Hotel
- Albatros Hagia Sophia Hotel
- Albatros Premier Hotel
- Aldem Hotel
- Alfa Hotel
- All Seasons Hotel Istanbul
- Alpek Hotel
- Alpinn Hotel Istanbul- Special Class
- Alyon Hotel Taksim
- Alzer Hotel Special Class
- Amethyst Hotel
- Amofta Hotel Taksim
- Anadolu Hotel
- Ansen Suites
- Antea Palace Hotel & Spa
- Anthemis Hotel
- Antik Hotel Istanbul
- Antique Hostel & Guesthouse
- Antusa Palace Hotel & Spa
- Aprilis Hotel - Special class
- Arcade Hotel
- Aren Suites
- Arena Hotel Istanbul
- Arkem Hotel 1
- Arkem Hotel 2
- Arkem Hotel 3
- Armada Istanbul Old City Hotel
- Art Nouveau Pera
- Artefes Hotel Old City
- Arts Hotel Istanbul - Special Class
- Arts Hotel Taksim
- Aruna Hotel
- Askoc Hotel & Spa
- Asmali Hotel
- Aspen Hotel & Spa Istanbul Old City
- Astek Port Hotel
- Asur Hotel
- Asya World Hotel
- Atakoy Marina Park Hotel Residences
- Atik Palace Hotel
- Avantgarde Hotel Taksim
- Avantgarde Levent Hotel - Boutique Class
- Avicenna Hotel
- Aybar Hotel & Spa
- Ayramin Hotel Taksim
- Bahaus Guesthouse Hostel
- Barcelo Istanbul
- Basileus Hotel
- Beethoven Premium Hotel
- Bekdas Hotel Deluxe & Spa
- Bella Vista Hostel
- Bentley Hotel Bosphorus - Special Class
- Berjer Boutique Hotel & Spa
- Best Nobel Hotel 2
- Best Western Empire Palace
- Beyoglu Mls Hotel
- Big Apple Hotel
- Birlik Apart Hotel
- Biz Cevahir Hotel Sultanahmet
- Blisstanbul Hotel
- Blue House Hotel
- Blue Istanbul Hotel Taksim
- Bof Hotels Business
- Bof Hotels Ceo Suites Atasehir
- Bonne Sante Hotel
- Boutique Saint Sophia
- Bucoleon by Cheers
- Buke Hotel
- Burckin Suites Hotel
- Burgu Arjaan by Rotana Istanbul Asia
- Butik Pendik Hotel
- Butterfly Suites
- By Murat Royal Hotels
- Byotell Hotel Istanbul
- CVK Park Bosphorus Hotel Istanbul
- CVK Taksim Hotel Istanbul
- Campus Boutique Hotel
- Carina Hotel Istanbul
- Carlton Hotel
- Cartoon Hotel
- Celal Sultan Hotel Special Class
- Centro WestSide
- Cevahir Hotel Istanbul Asia
- Cheers Hostel
- Chillout Lya Hostel & Lounge
- Cihangir Hotel
- Ciragan Palace Kempinski
- City Center Hotel Taksim
- Cityloft 161
- Cityloft 24
- Cityloft 81
- Clarion Hotel Golden Horn
- Clarion Hotel Istanbul Mahmutbey
- Collage Pera Hotel
- Comfort Hotel Taksim
- Comfort Life Hotel
- 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
- Dab Hotel
- Darkhill Hotel
- Daru Sultan Hotels Galata
- DeCamondo Galata, a Tribute Portfolio Hotel
- Dedeman Bostanci Istanbul Hotel & Convention Center
- Dedeman Istanbul
- Delta Hotel Istanbul
- Delta Hotels By Marriott Istanbul Levent
- Deluxe Golden Horn Sultanahmet Hotel
- Derpa Suite Hotel Osmanbey
- Dila Hotel
- Dilhayat Kalfa Hotel
- Divan Istanbul City
- Divani Ali Hotel
- Divas Hotel
- Divas Silver
- Diyar Hotel
- Doruk Palas 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 Esentepe
- DoubleTree by Hilton Istanbul Topkapi
- DoubleTree by Hilton Istanbul Umraniye
- Dream Hill Business Deluxe Hotel Istanbul Asia
- Edition Old City Hotel
- Ekinci Residence
- Elanaz Hotel
- Elemet Taksim Suites
- Elite World Comfy Istanbul Taksim
- Elite World Europe Hotel
- Elite World Istanbul Florya
- Elite World Istanbul Taksim
- Elysium Styles Taksim
- Emirtimes Hotel Tuzla
- Emporium Hotel
- Emsa Otel Maltepe
- Enderun Hotel
- Endican Beyazit Hotel
- Endless Suites Taksim
- Eresin Hotels Sultanahmet - Boutique Class
- Eresin Hotels Topkapi
- Erguvan Hotel - Special Class
- Erten Konak - Special Class
- Esans Hotel - Special Class
- Ethnica Hotel Old City
- Ethnica Suites
- Euro Park Otel
- Euro Stars Hotel Old City
- Fairmont Quasar Istanbul
- Faros Hotel Old City - Special Category
- Faros Hotel Taksim
- Febor Park Hotel
- Fer Hotel
- Ferman Hilal Hotel
- Ferman Hotel Old City -Special Category
- Feronya Hotel
- Fidan Suites
- Fitas Oda Beyoglu
- Florya House Hotel
- Flower Palace Hotel
- 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 Class
- Galata Moon Hotel
- Georges Hotel Galata
- Germir Palas Hotel - Special Class
- Gezi Hotel Bosphorus, Istanbul, a Member of Design Hotels
- Gk Regency Suites Hotel
- Glamour Hotel
- Glk Premier The Home Suites & Spa
- Golden Age Hotel Taksim
- Golden Ak Marmara Hotel
- Golden Horn Hotel - Special Class
- Golden Horn Istanbul Hotel
- Golden Royal Hotel & Spa
- Golden Tulip Istanbul Bayrampasa
- Golf Royal Residence
- Gorrion Hotel Istanbul
- Grand Anka Hotel
- Grand Aras Hotel & Suites
- Grand As Hotel
- Grand Beyazit Hotel
- Grand Cevahir Hotel & Convention Center
- 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 Makel Hotel Topkapi
- Grand Mark Hotel
- Grand Ons Hotel
- Grand Prince Hotel Taksim
- Grand S Hotel
- Grand Sagcanlar Hotel
- Grand Star Hotel Bosphorus
- Grand Unal Hotel
- Grand Yavuz Hotel
- Great Fortune Hotel & Spa
- Green Bird Suit
- Gunes Hotel Merter
- HHK Hotel
- Hagia Sofia Mansions Istanbul, Curio Collection by Hilton
- Hali Hotel
- Hampton by Hilton Istanbul Atakoy
- Hampton by Hilton Istanbul Kayasehir
- Hampton by Hilton Istanbul Kurtkoy
- Hampton by Hilton Istanbul Zeytinburnu
- Hanedan Hotel
- Harmony Hotel Merter & Spa
- Hilton Garden Inn Istanbul Ataturk Airport
- Hilton Istanbul Bomonti Hotel & Conference Center
- Hilton Istanbul Bosphorus
- Hilton Istanbul Kozyatagi
- Hilton Istanbul Maslak
- Holiday Inn Express Istanbul - Altunizade
- Holiday Inn Istanbul - Kadikoy
- Holiday Inn Istanbul - Old City
- Holiday Inn Istanbul - Sisli
- Holiday Inn Istanbul City
- Hotel Agan
- Hotel Amira Istanbul
- Hotel Antik Ipek
- Hotel Arcadia Blue Istanbul
- Hotel Bazaar
- Hotel Black Tulip
- Hotel Blue Istanbul - Special class
- Hotel Bosfora
- Hotel Buyuk Hamit
- Hotel California
- Hotel Emirhan Palace
- Hotel Favori
- Hotel Fehmi Bey
- Hotel Flash
- Hotel Ibrahim Pasha
- Hotel Ilkay
- Hotel Inter Istanbul
- Hotel Le Mirage
- Hotel Miniature
- Hotel Momento - Special Class
- Hotel Next2
- Hotel Olimpiyat
- Hotel Ottoman 2 Class
- Hotel Princess Old City
- Hotel Residence
- Hotel Rose Bouquets
- Hotel Santa Sophia
- Hotel Sapphire
- Hotel Star
- Hotel Sultanhill
- Hotel Sultania Boutique Class
- Hotel The Pera Hill
- Hotel The Public
- Hotel Topkapi
- Hotel Torun Istanbul Old City
- Hotel Troya
- Hotel Uyan - Special Class
- Hotel Venera
- Hotel Yasmak Sultan
- Hotel Zurich Istanbul
- Hotellino
- Hush Hostel Lounge
- Hyatt Centric Levent Istanbul
- Hyatt Regency Istanbul Atakoy
- Hypnos Design House
- Ibis Istanbul Esenyurt
- Ilkbal Deluxe Hotel & Spa
- Inncity Hotel Nisantasi
- Innova Sultanahmet Istanbul
- Innpera Hotel
- Intercontinental Istanbul, An IHG Hotel
- Isg Sabiha Gökçen Airport Hotel
- Istanbul Comfort Hotel
- Istanbul Dedem Hotel 1
- Istanbul Dora Hotel
- Istanbul Golden City Hotel
- Istanbul Gonen Hotel
- Istanbul Harmony Hostel
- Istanbul Marriott Hotel Asia
- Istanbul Marriott Hotel Pendik
- Istanbul Marriott Hotel Sisli
- Istanbul Royal Hotel
- Istanbul Sirkeci Hotel
- Jakaranda Hotel
- Just Inn Hotel
- Kadikoy Port Hotel
- Kalyon Hotel Istanbul
- Karakoy Aparts Hotel
- Kartal Palace Taksim Square
- Kent Hotel Istanbul
- Klas Hotel
- Kosk Hotel Kadikoy
- Kumkapi Romanos Hotel
- Kumru Hotel
- Lady Diana Hotel
- Lalahan
- Laleli Blue Marmaray Hotel
- Laleli Gonen Hotel
- Lalinn Hotel
- Lasagrada Hotel Istanbul
- Lazzoni Hotel
- Le Méridien Istanbul Etiler
- Le Premier House
- Leader Mansion Hotel & Suite
- Legacy Ottoman Hotel
- Levni Hotel & Spa - Special Category
- Limak Eurasia Luxury Hotel
- Lina Hotel Taksim Pera
- Lion Hotel
- Lionel Hotel Istanbul
- Manesol Boutique Galata
- Manesol Old City Bosphorus
- Manna Boutique Hotels
- Marble Hotel
- Mare Park Hotel
- Marine House Boutiqe Hotel
- Marmara Deluxe Hotel
- Marmara Place Old City Hotel
- Marpalace Hotel
- Martinenz Hotel
- Mas Suites Nisantasi
- Maxwell Hotel
- Maywood Hotel
- Medproper Suites
- Mekke Hotel Istanbul
- Mercure Istanbul Altunizade
- Mercure Istanbul Bakirkoy
- Mercure Istanbul Bomonti
- Mercure Istanbul Sirkeci
- Mercure Istanbul Umraniye
- Meroddi Bagdatliyan Hotel
- Metro Suites Taksim
- Metropolitan Hotels Bosphorus
- Metropolitan Hotels Taksim
- Mevlana Hotel
- Mezzo Hotel
- Mia Berre Hotels
- Midtown Hotel Istanbul
- Mina Hotel - Special Category
- Miracle Istanbul Asia Airport Hotel & Spa
- Mirrors Hotel
- Miss Istanbul Hotel & Spa
- Moda Drei
- Moda Hostel
- Molton Monapart Mecidiyekoy
- Momento Golden Horn Hotel
- Mukarnas Taksim Hotel
- My Assos Hotel
- My Home Garden
- My Rose Hotel
- Mövenpick Hotel Istanbul Bosphorus
- Mövenpick Istanbul Golden Horn
- Nagehan Hotel Old City
- Naz City Hotel Taksim
- Neorion Hotel - Special Class
- Nevv Bosphorus Hotel & Suites
- New Taksim Hotel
- Nexthouse Pera Hotel
- Nidya Hotel Esenyurt
- Nidya Hotel Galataport
- Nil Hotel
- Niles Hotel Istanbul - Special Class
- Nippon Hotel
- Nish Suites Atasehir
- Nova Plaza Crystal Hotel & Spa
- Nova Plaza Prime Hotel
- Novotel Istanbul Karakoy
- Novotel Istanbul Zeytinburnu
- Nuru Ziya Suites
- Occidental Taksim
- Okur Otel
- Old City Viva Hotel
- Opera Hotel Bosphorus
- Oran Hotel
- Orange Airport Hotel
- Orient Express & Spa by Orka Hotels
- Orka Royal Hotel & Spa
- Orka Taksim Suites & Hotel
- Ottoman Hotel Imperial-Special Category
- Ottomans Life Hotel S Class
- Ottopera Hotel
- Ozdemir Pansiyon
- P Galata Boutique Hotel
- Palace Point Hotel
- Palazzo Donizetti Hotel - Special Class
- Pandora Hotel
- Park By Clover
- Park Hyatt Istanbul - Macka Palas
- Park Inn By Radisson Istanbul Atasehir
- Park Inn by Radisson Istanbul Airport, Odayeri
- Park Star Hotel Taksim
- Pasaport Pier Istanbul
- Payidar Hotel
- Pendik Marine Hotel
- Pera Center Hotel
- Pera Luna Residence
- Pera Palace Hotel
- Pera Rose Hotel
- Pera Tulip Hotel
- Peyk Hotel
- Pianoforte by Febor Hotels&Spa
- Pierre Loti Hotel Old City- Special Category
- Piya Sport Hotel
- Plus Hotel Bostanci Atasehir
- Point Hotel Barbaros
- Point Hotel Taksim
- Port Bosphorus Hotel
- Premist Hotels Taksim
- Prestige Hotel Old City
- Promise Hotel
- Pruva Otel
- Puffin Suites
- 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
- Radisson Hotel Istanbul Sultanahmet
- Radisson Residences Vadistanbul
- Raffles Istanbul
- 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 Golden Horn
- Ramada by Wyndham Istanbul Grand Bazaar
- Ramada by Wyndham Istanbul Old City
- Rast Hotel Sultanahmet
- Regard Hotel
- Renaissance Istanbul Polat Bosphorus Hotel
- Renaissance Polat Istanbul Hotel
- Retaj Royale Istanbul
- Reydel Hotel
- Reyyan Hotel
- Rhiss Hotel Bostanci
- Rhiss Hotels Maltepe
- Rixos Pera Istanbul
- Rodin Suites
- Romance Istanbul Hotel
- Room Mate Emir
- Rox Hotel
- Royal Inci Airport Hotel
- Royal Suites Sultanahmet
- Régie Ottoman Istanbul
- Safir Hotel
- Samil Hotel
- Sarnic Butik Otel
- Seatanbul Hotel
- Sed Hotel
- Seher Hotel
- Sehir Hotel Old City
- Selenay Hotel
- Seminal Hotel
- Senabil Hotel Old City
- Senator Hotel Taksim
- Sentire Hotels & Residences
- Seres Hotel
- Seven Hills Hotel - Special Class
- Seven Hills Palace & Spa
- Shah Inn Hotel
- Shangri-La Bosphorus, Istanbul
- Sheraton Grand Istanbul Atasehir
- Sheraton Istanbul Ataköy Hotel
- Sheraton Istanbul City Center
- Sheraton Istanbul Levent
- Side Hotel
- Sidonya Hotel
- Sinem Hotel
- Sirin Otel
- Sirkeci Emek Hotel
- Sirkeci Ersu Hotel
- Sirkeci Mansion
- Sirkeci Park Hotel
- Sisli Mls Hotel
- Skalion Hotel & Spa
- Sofia Corner Hotel
- Sogut Hotel Old City
- Soho House Istanbul
- Sokullu Pasa Hotel - Special Class
- Somerset Maslak Istanbul
- Sometimes Hotel Taksim
- Sorriso Hotel
- Spinel Hotel
- Splendid Palace Hotel
- Star Holiday Hotel
- Stay Inn Taksim Hostel
- Style Hotel Sisli
- Suadiye Hotel
- Sultan Corner Suites
- Sultan Hostel & Guesthouse
- Sultan Palace Hotel
- Sultan Tughra Hotel
- Sultanahmet Cesme Hotel
- Sultanahmet Hotel
- Sultanahmet Nu Hotel
- Sultanahmet Palace Hotel
- Sultanhan Hotel - Special Class
- Sur Hotel Sultanahmet
- Sura Design Hotel and Suites - Boutique Class
- Sura Hagia Sophia Hotel
- Surmeli Istanbul Hotel
- Sv Bussiness Hotel Taksim
- Sweet Home Taksim Otel
- Swissotel The Bosphorus Istanbul
- T-Square Residence
- TRYP by Wyndham Istanbul Taksim
- Taba Luxury Suites and Hotel
- Taksim Gonen Hotel
- Taksim Green House Hostel
- Taksim Line Hotel
- Taksim Metropark Hotel
- Taksim Mood
- Taksim Pera Orient Hotel
- Taksim Premium Hotel
- Taksim Square Hotel
- Taksim Star Hotel
- Taksim Suite-ll
- Tango Arjaan by Rotana Istanbul Asia
- Tarihi Isparta Palas
- Tavra hotel
- Taxim Hill Hotel
- Taxim Lounge Hotel Special Category
- Taxim Suites Residences Istanbul
- Taxim Trend Suites
- Taximist Hotel
- Taximtown Hotel
- Tempo Hotel 4Levent Istanbul
- Tempo Suites Airport
- Tevetoglu Hotel
- The Artisan Istanbul MGallery
- The Bank Hotel Istanbul, a Member of Design Hotels
- The Bostanci Hotel
- The Byzantium Suites Hotel & Spa
- The Central Hotel
- The Central Palace Taksim
- The Craton Hotel
- The Elegant Hotel
- The Elysium Taksim Special Class
- The G Hotels Istanbul
- The Grand Mira Business Hotel
- The Grand Tarabya
- The Green Park Bostanci
- The Green Park Merter
- The Green Park Pendik
- The Green Park Taksim
- The Hera Premium Hotels
- The Hotel Beyaz Saray
- The Laila Hotel
- The Legend Platine Suite
- The Magnaura Palace Hotel
- The Marist Hotel Kadikoy
- The Marmara Pera
- The Marmara Sisli
- The Marmara Suadiye Residence
- The Marmara Taksim
- The Meretto Hotel Istanbul Old City
- The Meretto Hotel Laleli
- The Ottoman City Hotel
- The Parma Hotel Taksim
- The Peak Hotel & Spa
- The Pera Hotel
- The Ritz-Carlton Istanbul
- The St. Regis Istanbul
- The Stay Bosphorus
- The Stay Boulevard Nisantasi
- The Stay Nisantasi
- The Time Hotel Old City
- The Trip Hotel
- The White Orient Hotel
- The Xanadu Istanbul
- Tilia Hotel
- Titanic Business Kartal
- Titanic City Taksim
- Titanic Port Bakirkoy
- Tolga Hotel
- Tom Square Boutique Hotel
- Tomtom Suites
- Triada Hotel
- Triada Hotel Karakoy
- Tryp By Wyndham Istanbul Sancaktepe
- Tulip City Hotel
- Tulip Guesthouse
- Turkoman Hotel
- Turkuaz Suites
- Turvan Hotel
- Tuyap Palas
- Tzl Suites
- Unique Suite Hotel
- Upsuites Hotel
- Uranus Istanbul Topkapi
- Vavien Hotel
- Venue Hotel Old City Istanbul
- Version Hotel
- Vialand Palace Hotel
- Vicenza Hotel
- Victory Hotel & Spa Istanbul
- Villa Zurich Hotel
- Vita Suites Karakoy
- Viva Deluxe Hotel
- Vogue Hotel Supreme Istanbul
- Volley Hotel Istanbul
- Vplus hotel atasehir
- Wabi Sabi Hostel Istanbul
- Wame Suite Hotel
- Waw Hotel Galataport
- West Pera Hotel
- WestSide Residences by Rotana
- White House Hotel Istanbul
- White Monarch Hotel
- Windsor Hotel & Convention Center
- Wish More Hotel Istanbul
- Wow Airport Hotel
- Wow Istanbul Hotel
- Wyndham Grand Istanbul Europe
- Wyndham Grand Istanbul Kalamis Marina Hotel
- Wyndham Grand Istanbul Levent
- Wyndham Istanbul Old City
- Yigitalp Hotel
- Yilsam Sultanahmet Hotel
- Zagreb Hotel
- Zimmer Bosphorus Hotel
- Zin D Home Alemdag
- ibis Istanbul Zeytinburnu
- ibis Styles Istanbul Bomonti