- 10 Karakoy Istanbul
- 116 Residence
- 38 Hotel
- Ac Hotel Istanbul Macka
- Ada Hotel Istanbul
- Ada Palas Buyukada
- Adamar Hotel - Special Class
- Adelmar Hotel Istanbul
- Ag Sisli Hotel
- Agora Guesthouse
- Agora Life Hotel - Special Class
- Air Boss Istanbul Airport and Fair Hotel
- Ajwa Sultanahmet
- Akgun Istanbul Hotel
- Akka Lush Hotel Taksim
- Albatros Premier Hotel
- Aldem Hotel
- All Seasons Hotel Istanbul
- Almina Hotel - Special Class
- Alpek Hotel
- Alpinn Hotel Istanbul- Special Class
- Alrazi Hotel
- Alzer Hotel Special Class
- Amethyst Hotel
- Anemon Galata Hotel
- Angel's Home Hotel
- Antea Palace Hotel & Spa
- Anthemis Hotel
- Antik Hotel Istanbul
- Antik Ipek Hotel
- Antique Hostel & Guesthouse
- Antusa Palace Hotel & Spa
- Apex Hotel
- Aprilis Hotel
- Arart Hotel
- Arcade Hotel
- Arena Hotel Istanbul
- Aristocrat Hotel
- Arkem Hotel 1
- Arkem Hotel 2
- Arkem Hotel 3
- Armada Istanbul Old City Hotel
- Armagrandi Spina Hotel-Special Category
- Art Nouveau Pera
- Artefes Hotel Old City
- Arts Hotel Istanbul - Special Class
- Arts Hotel Taksim
- Askoc Hotel & Spa
- Asmali Hotel
- Aspen Hotel & Spa Istanbul Old City
- Asur Hotel
- Asya World Hotel
- Atik Palace Hotel
- Atlantis Royal Hotel
- Avantgarde Hotel Taksim
- Avantgarde Levent Hotel - Boutique Class
- Avlonya Hotel
- Aybar Hotel & Spa
- Ayramin Hotel Taksim
- Barcelo Istanbul
- Basileus Hotel
- Beethoven Hotel
- Bekdas Hotel Deluxe & Spa
- Bella Vista Hostel
- Benler Hotel
- Bentley Hotel Bosphorus - Special Class
- Berjer Boutique Hotel & Spa
- Best Nobel Hotel 2
- Best Western Empire Palace
- Beyoglu Huzur Hotel
- Bilek Boutique Hotel Kavacik
- Birlik Apart Hotel
- Biz Cevahir Hotel Sultanahmet
- Blisstanbul Hotel
- Blue House Hotel
- Blue Istanbul Hotel
- Blue Istanbul Hotel Taksim
- Blue Tuana Hotel
- Blueway Hotel Historical
- Bof Hotels Ceo Suites Atasehir
- Bonne Sante Hotel
- Boutique Saint Sophia
- Boutique Sultan Hotel
- Bucoleon by Cheers
- Bufes Hotel
- Buke Hotel
- Burckin Suites Hotel
- Burgu Arjaan by Rotana Istanbul Asia
- Butterfly Suites
- Buyukada Cinar Hotel
- Byotell Hotel Istanbul
- CVK Park Bosphorus Hotel Istanbul
- CVK Taksim Hotel Istanbul
- Carlton Hotel
- Cartoon Hotel
- Celal Sultan Hotel Special Class
- Centro WestSide
- Cevahir Hotel Istanbul Asia
- Cheers Hostel
- Cheers Lighthouse
- Cibali Hotel Istanbul
- Cihangir Hotel
- Cihangir Palace Hotel
- Ciragan Palace Kempinski
- City Center Hotel Taksim
- Cityloft 161
- Cityloft 36
- Cityloft 81
- Clarion Hotel Golden Horn
- Clarion Hotel Istanbul Mahmutbey
- Collage Pera Hotel
- Comfort Hotel Taksim
- Concept Nisantasi Hotels & Spa
- Conrad Istanbul Bosphorus
- Corinne Art & Boutique Hotel
- Corner 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
- Darkhill Hotel
- Daru Sultan Hotels Galata
- Darussaade Istanbul Hotel
- Dedeman Bostanci Istanbul Hotel & Convention Center
- Dedeman Istanbul
- Delta Hotel Istanbul
- Delta Hotels By Marriott Istanbul Levent
- Deluxe Golden Horn Sultanahmet Hotel
- Dencity Hotels & Spa
- Derpa Suite Hotel Osmanbey
- Dersaadet Hotel Istanbul
- Dilhayat Kalfa Hotel
- Divan Istanbul City
- Divani Ali Hotel
- Divas Hotel
- Diyar Hotel
- Dosso Dossi Hotels & Spa Downtown
- Dosso Dossi Hotels 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
- Edibe Sultan Hotel
- Edition Old City Hotel
- Ekinci Residence
- Element Residence
- 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
- Empire Suite Hotel
- Emporium Hotel
- Enderun Hotel Istanbul
- Endless Suites Taksim
- Eps Suite
- Erenler Hotel & Hostel
- Eresin Hotels Sultanahmet - Boutique Class
- Eresin Hotels Topkapi
- Erten Konak
- Ethnica Suites
- Euro Park Otel
- Eurostars Hotel Old City
- Express Inci Airport Hotel
- Fairmont Quasar Istanbul
- Faros Hotel Taksim
- Fatih Hotel Corner
- Febor Park Hotel
- Fer Hotel
- Ferman Hotel Old City -Special Category
- Feronya Hotel
- Fidan Suites
- Four Seasons Hotel Istanbul at Sultanahmet
- Four Seasons Hotel Istanbul at the Bosphorus
- Four-G Hotel
- Fraser Place Antasya Istanbul
- Fraser Place Anthill Istanbul
- Fuar Hotel
- Fuat Pasa Yalisi - Special Class
- Galata Life Istanbul
- Galatower Hotel
- Gen Suites
- Genova Hotel
- Germir Palas Hotel - Special Class
- Gezi Hotel Bosphorus, Istanbul, a Member of Design Hotels
- Gk Regency Suites
- Glamour Hotel
- Glens Palas Istanbul
- Glk Premier Sea Mansion Suites & Spa
- Glk Premier The Home Suites & Spa
- Glorious Hotel
- Golden Age Hotel Taksim
- Golden Ak Marmara Hotel
- Golden Horn Hotel - Special Class
- Golden Horn Istanbul Hotel
- Golden Pen Hotel
- Golden Royal Hotel & Spa
- Golden Tulip Istanbul Bayrampasa
- Gorrion Hotel Istanbul
- Gorur Hotel
- Grand Anka Hotel
- Grand Ant Hotel
- Grand Aras Hotel & Suites
- Grand Bazaar Hotel
- Grand Beyazit Hotel Old City
- Grand Cevahir Hotel Convention Center
- Grand Dilara 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 Makel Hotel Topkapi
- Grand Marcello Hotel
- Grand Ons Hotel
- Grand Palace Hotel
- Grand Prince Hotel Taksim
- Grand Rosa Hotel
- Grand S Hotel
- Grand Sagcanlar Hotel
- Grand Star Hotel Bosphorus
- Grand Unal Hotel
- Grand Yavuz Hotel
- Grand oral hotel
- Great Fortune Hotel & Spa
- Green Anka Hotel
- Green Bird Suit
- Gulhane Corner Hotel
- Gulhanepark Hotel & Spa
- Gunes Hotel Merter
- HHK Hotel
- Hagia Sofia Mansions Istanbul, Curio Collection by Hilton
- Halifaks Hotel
- Hampton by Hilton Istanbul Atakoy
- Hampton by Hilton Istanbul Kayasehir
- Hampton by Hilton Istanbul Kurtkoy
- Hampton by Hilton Istanbul Zeytinburnu
- Han 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
- Hippodrome Hotel
- Holiday Inn Express Istanbul - Altunizade
- Holiday Inn Istanbul - Kadikoy
- Holiday Inn Istanbul - Old City
- Holiday Inn Istanbul - Sisli
- Holiday Inn Istanbul City
- Honey Hotel
- Hotel 1453
- Hotel Agan
- Hotel Akcinar
- Hotel Amira Istanbul
- Hotel Arcadia Blue Istanbul
- Hotel Baykal
- Hotel Bazaar
- Hotel Black Pearl
- Hotel Black Tulip
- Hotel Broken Column
- Hotel Buyuk Hamit
- Hotel California
- Hotel Centrum Istanbul
- Hotel Emirhan Palace
- Hotel Erguvan - Special Category
- Hotel Favori
- Hotel Fehmi Bey
- Hotel Grand Umit
- Hotel Ibrahim Pasha
- Hotel Ilkay
- Hotel Le Mirage
- Hotel Loor
- Hotel Mara Istanbul
- Hotel Momento - Special Class
- Hotel Monaco
- Hotel Olimpiyat
- Hotel Pera Capitol
- Hotel Prinkipos
- Hotel Rose Bouquets
- Hotel Saba
- Hotel Santa Hill
- Hotel Sapphire
- Hotel Sultanahmet
- Hotel Sultanhill
- Hotel Sultania Boutique Class
- Hotel The Pera Hill
- Hotel The Public
- Hotel Torun Istanbul Old City
- Hotel Troya
- Hotel Uyan-Special Category
- Hotel Venera
- Hotel Yasmak Sultan
- Hotel Zurich Istanbul
- Hotellino
- Hurry Inn Merter Istanbul
- Hyatt Centric Levent Istanbul
- Hyatt Regency Istanbul Atakoy
- Ibis Istanbul Esenyurt
- Ilkbal Deluxe Hotel & Spa
- Inera Hotel Pendik
- Inncity Hotel Nisantasi
- Innova Sultanahmet Istanbul
- Innpera Hotel
- Inntel Hotel Istanbul
- 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 Irish Hotel
- Istanbul Marriott Hotel Asia
- Istanbul Marriott Hotel Pendik
- Istanbul Marriott Hotel Sisli
- Istanbul Royal Hotel
- Istanbul Sirkeci Hotel
- Istanbul Sydney Hotel
- Jakaranda Hotel
- Joy Suites
- Juliet Rooms & Kitchen
- Juno Hotel Taksim
- Jurnal Hotel
- Just Inn Hotel
- Kadikoy Port Hotel
- Kalyon Hotel Istanbul
- Kartal Palace Taksim Square
- Kent Hotel Istanbul
- Klas Hotel
- La Wisteria Boutique Hotel Istanbul
- Lady Diana Hotel
- Lalahan
- Laleli Blue Marmaray Hotel
- Laleli Gonen Hotel
- Lalinn Hotel
- Lasagrada Hotel Istanbul
- Lausos Palace Hotel
- Lazzoni Hotel
- Le Méridien Istanbul Etiler
- Le Premier House
- Le Safran Suite
- Legacy Ottoman Hotel
- Letter Hotel
- Levanten Hostel
- Levni Hotel & Spa - Special Category
- Limak Eurasia Luxury Hotel
- Lina Hotel Taksim Pera
- Lion Hotel
- Lionel Hotel Istanbul
- Loren Hotel&Suites
- Lotus Hotel
- Louis Appartements Galata
- Magnificent Hotel
- Manesol Boutique Galata
- Manesol Old City Bosphorus
- Mangana Konak
- Marble Hotel
- Marmara Deluxe Hotel
- Marmara Place Old City Hotel
- Marmaray Hotel
- Martinenz Hotel
- Mas Suites Nisantasi
- Maxwell Hotel
- Maywood Hotel
- Medproper Suites
- Mercure Istanbul Altunizade
- Mercure Istanbul Bakirkoy
- Mercure Istanbul Bomonti
- Mercure Istanbul Sirkeci
- Meroddi Bagdatliyan Hotel
- Meserret Palace Hotel
- Metropolitan Hotels Bosphorus
- Metropolitan Hotels Taksim
- Mevlana Hotel
- Meydan Suites
- Mia Berre Hotels
- Midtown Hotel Istanbul
- Milport Hotel Levent
- Mina Hotel - Special Category
- Miracle Istanbul Asia Airport Hotel & Spa
- Mirrors Hotel
- Misafir Suites 8 Istanbul
- Miss Istanbul Hotel & Spa
- Molton Monapart Mecidiyekoy
- Molton Sisli Mls Hotel
- Momento Golden Horn Hotel
- Monarch Hotel
- Morione Hotel & Spa Center
- Mukarnas Taksim Hotel
- My Assos Hotel
- My Home Sultanahmet Hotel
- My Palace Rooms
- Myy Boutique Hotel
- Mövenpick Hotel Istanbul Bosphorus
- Mövenpick Istanbul Golden Horn
- Nagehan Hotel Old City
- Naila Hotel
- Naz City Hotel Taksim
- Neda Hotel Istanbul
- Neorion Hotel - Special Class
- Nevv Bosphorus Hotel & Suites
- New Fatih Hotel
- New Pera Hotel
- New Taksim Hotel
- Nexthouse Pera Hotel
- Nidya Hotel Esenyurt
- Nidya Hotel Galataport
- Niles Hotel Istanbul - Special Class
- Nippon Hotel
- Nisantasi Residence
- Nl Amsterdam Hotel
- Nordstern Hotel Galata
- Nova Plaza Crystal Hotel & Spa
- Nova Plaza Prime Hotel
- Novel Hotel
- Novotel Istanbul Karakoy
- Novotel Istanbul Zeytinburnu
- Nuru Ziya Suites
- Oban Suites Istanbul
- Obelisk Hotel & Suites
- Occidental Taksim
- Okur Otel
- Old City Viva Hotel
- Opera Hotel Bosphorus
- Oran Hotel
- Orange Airport Hotel
- Orient Express & Spa by Orka Hotels
- Orient Mintur Hotel
- Orka Royal Hotel & Spa
- Orka Taksim Suites & Hotel
- Ottoman Hotel Imperial-Special Category
- Ottomans Life Hotel S Class
- Ottopera Hotel
- Ozbek Hotel
- P Galata Boutique Hotel
- Palace Point Hotel
- Palazzo Donizetti Hotel - Special Class
- Park By Clover
- Park Dedeman Bostanci Hotel
- Park Hyatt Istanbul - Macka Palas
- Park Inn By Radisson Istanbul Atasehir
- Park Inn by Radisson Istanbul Airport, Odayeri
- Park Star Hotel Taksim
- Parmada Hotel Old City
- Pasaport Pier Istanbul
- Pera Arya Hotel
- Pera Center Hotel
- Pera Luna Residence - Special Class
- Pera Palace Hotel
- Pera Rose Hotel
- Pera Tulip Hotel
- Perazre Hotel
- Peyk Hotel
- Pianoforte by Febor Hotels&Spa
- Pierre Loti Hotel Old City- Special Category
- Piya Sport Hotel
- Point Hotel Barbaros
- Point Hotel Taksim
- Port Bosphorus Hotel
- Premist Hotels Sultanahmet
- Premist Hotels Taksim
- Prestige Hotel Old City
- Primero Hotel
- 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 Vadistanbul
- 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 Basin Express
- 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 Golden Horn
- Ramada by Wyndham Istanbul Grand Bazaar
- Ramada by Wyndham Istanbul Old City
- Ramparts Hotel
- Rast Hotel Sultanahmet
- Regard Hotel
- Renaissance Istanbul Polat Bosphorus Hotel
- Renaissance Polat Istanbul Hotel
- Renata Boutique Hotel - Boutique Class
- Reydel Hotel
- Reyyan Hotel
- Rhiss Hotels Maltepe
- Riva Hotel
- Rixos Pera Istanbul
- Romance Istanbul Hotel
- Room Mate Emir
- Rox Hotel
- Royal Inci Airport Hotel
- Rozza Hotel
- Régie Ottoman Istanbul
- Sah Hotel
- Sahinler Hotel
- Samil Hotel
- Santa Sophia Hotel
- Sarissa Hotel
- Sed Hotel
- Seher Hotel
- Selvese Collection Hotel Galata 1875
- Seminal Hotel
- Senabil Hotel Old City
- Senator Hotel Taksim
- Sentire Hotels & Residences
- Seres Hotel Old City
- Seven Days Hotel
- Seven Hills Hotel - Special Class
- Shangri-La Bosphorus, Istanbul
- Sheraton Grand Istanbul Atasehir
- Sheraton Istanbul Ataköy Hotel
- Sheraton Istanbul City Center
- Sheraton Istanbul Levent
- Side Hotel
- Sinem Hotel
- Sirkeci Emek Hotel
- Sirkeci Ersu Hotel
- Sirkeci Mansion
- Sirkeci Park Hotel
- Sirkeci Quietness Hotel
- Skalion Hotel & Spa
- Skyport Istanbul Hotel
- Sogut Hotel Old City
- Soho House Istanbul
- Sokullu Pasa Hotel - Special Class
- Somerset Maslak Istanbul
- Sometimes Hotel Taksim
- Sorriso Hotel
- Splendid Palace Hotel
- Star Holiday Hotel
- Stasyon Hotel
- Stay Inn Taksim Hostel
- Style Hotel Sisli
- Suadiye Hotel
- Sude Konak
- Sultan Corner Suites
- Sultan Hostel & Guesthouse
- Sultan Palace Hotel
- Sultan Tughra Hotel
- Sultanahmet Cesme Hotel
- Sultanahmet Nu Hotel
- Sultanahmet Palace Hotel
- Sultanhan Hotel - Special Class
- Sumengen Hotel
- Sura Design Hotel & Suites
- Sura Hagia Sophia Hotel
- Surmeli Istanbul Hotel
- Swissotel The Bosphorus Istanbul
- TRYP by Wyndham Istanbul Taksim
- Taba Luxury Suites and Hotel
- Taksim City Hostel
- Taksim Gonen Hotel
- Taksim Green House Hostel
- Taksim Line Hotel
- Taksim Metropark Hotel
- Taksim Mood
- Taksim Nis Hotel
- Taksim Pera Orient Hotel
- Taksim Santa Lucia Hotel
- Taksim Square Hotel
- Taksim Star Hotel
- Taksim Suite-ll
- Tango Arjaan by Rotana Istanbul Asia
- Tashkonak Hotel
- Taxim Hill Hotel
- Taxim Lounge Hotel Special Category
- Taxim Suites Residences Istanbul
- Taximist Hotel
- Taximtown Hotel
- Tempo Hotel 4Levent Istanbul
- Tempo Suites Airport
- Terra Suites
- Tevetoglu Hotel
- The Artisan Istanbul MGallery
- The Bank Hotel Istanbul, a Member of Design Hotels
- The Biancho Hotel Pera
- The Bosfor Hotel
- The Byzantium Suites Hotel & Spa
- The Central Hotel
- The Central Palace Taksim
- The Clock Suites
- The Craton 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 Hotel Taksim
- The Green Park Merter
- The Green Park Pendik
- The Hotel Beyaz Saray
- The House of Tulpan
- The Laila Hotel
- The Magnaura Palace Hotel
- The Marmara Pera
- The Marmara Sisli
- The Marmara Taksim
- The Meretto Hotel Istanbul Old City
- The Meretto Hotel Laleli
- The Ottoman City Hotel
- The Parma Hotel Downtown
- The Parma Hotel Taksim
- The Peak Hotel & Spa
- 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 Westist Hotel & Spa
- The White Orient Hotel
- The Wilson Galata Hotel
- The Xanadu Istanbul
- Tilia Hotel
- Titanic Business Kartal
- Titanic City Taksim
- Titanic Port Bakirkoy
- Tk Taxim Bosphorus Hotel
- Tomtom Suites
- Tophane Suites
- Triada Hotel
- Tryp By Wyndham Istanbul Sancaktepe
- Tulip City Hotel
- Tulip House
- Turkoman Hotel
- Turkuaz Suites
- Turvan Hotel
- Tuyap Palas
- Tzl Suites
- Upsuites Hotel
- Uranus Istanbul Topkapi
- Utarit Taksim
- Vali Konak Hotel
- Valide Sultan Konagi
- Vavien Hotel
- Vernazza Suites Hotel
- Vespia Hotel
- Vialand Palace Hotel
- Vicenza Hotel
- Victory Hotel & Spa Istanbul
- Villa Zurich Hotel
- Viva Deluxe Hotel
- Vogue Hotel Supreme Istanbul
- Wabi Sabi Hostel Istanbul
- Wame Suite Hotel
- West Pera Hotel
- WestSide Residences by Rotana
- White House Hotel Istanbul
- White Monarch Hotel
- White Palace Hotel
- Windsor Hotel & Convention Center
- Wish More Hotel Istanbul
- World Point 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
- Yilsam Sultanahmet Hotel
- Yolohostel
- Zagreb Hotel
- Zendy Suite Hotel
- Zimmer Bosphorus Hotel
- ibis Istanbul Zeytinburnu
- ibis Styles Istanbul Bomonti