Abel Hotel 3* Acra Hotel 3* Agan Hotel 3* Ajwa Hotel Sultanahmet 5* Akgun Hotel 5* Aldem Hotel (ex. Alaaddin Hotel) BOUTIQUE All Seasons Hotel 4* Almina Hotel BOUTIQUE Almina Inn Hotel 3* Alzer Hotel S-CLASS Amber Hotel 4* Amethyst 4* And Hotel BOUTIQUE Antik Hotel Istanbul 4* Aprilis Gold Hotel 4* Aprilis Hotel 4* Arden City Hotel 4* Armagrandi Spina Hotel BOUTIQUE Arts Hotel 4* Askoc Hotel 4* Asmali Hotel 3* Asur Hotel S-CLASS Atlantis Royal Hotel 3* Avicenna Hotel 4* Away Suites BOUTIQUE Ayasultan Hotel BOUTIQUE Bahira Hotel 4* Balin BOUTIQUE Barcelo Istanbul Hotel 5* Beethoven Istanbul Hotel 3* Beethoven Premium Hotel 3* Beethoven Senfoni Hotel 4* Bekdas 4* Bentley by Molton BOUTIQUE Bergama Hotel 3* Best Western Antea Palace 4* Best Western Empire Palace 4* Best Western The President Hotel 4* Beyazit Palace Hotel 4* Birbey 3* Biz Cevahir Sultanahmet Hotel 4* Black Bird Hotel 4* Black Tulip Hotel 4* Blue House Hotel 3* Blue Istanbul Hotel 3* Blue Marmaray Hotel 3* Bricks Hotel 4* Buyuk Paris Hotel 3* Byotell 5* Cartoon Hotel 4* Centrum Hotel BOUTIQUE Cihangir Palace Hotel 4* Ciragan Palace Kempinski 5* Citycenter Hotel Taksim 4* Cityloft 161 4* Cityloft 24 BOUTIQUE Cityloft 36 BOUTIQUE Cityloft 81 4* Clarion Golden Horn Hotel 4* Conrad Istanbul Hotel 5* Constantinopolis Hotel Istanbul BOUTIQUE Continental Tunel Residence BOUTIQUE Crowne Plaza Istanbul Harbiye 5* CVK Park Bosphorus Hotel 5* Darkhill Hotel 4* Dedeman Bostanci 5* Dedeman Istanbul Hotel 5* Deluxe Golden Horn Sultanahmet 4* Deluxe Newport Hotel 3* Dencity Hotel 4* Deniz Houses Hotel 3* Divas Hotel 3* Dosso Dossi Hotel Downtown 5* Dosso Dossi Hotel Old City 4* Double Tree by Hilton Sirkeci 4* Double Tree by Hilton Topkapi 5* Dundar Hotel (ex. Bilinc Hotel) BOUTIQUE Durusu Hotel Airport 4* Edibe Sultan Hotel 3* Elite World Asia 5* Elite World Europe 5* Elite World Hotel 5* Elite World Prestige 4* Erden Saraevo 3*+ Eresin Hotel Sultanahmet 5* Eresin Hotel Taxim Premier 4* Eresin Hotel Topkapi 5* Eresin Taksim 4* Erguvan Hotel 4* Eternity Hotel BOUTIQUE Euro Plaza Hotel 4* Eurostars Old City 4* Fairmont Quasar Istanbul Hotel 5* Faros Otel Taksim 4* Favori Hotel Boutique BOUTIQUE Fehmi Bey Hotel 3* FER Hotel BOUTIQUE Ferman Hilal BOUTIQUE Ferman Konak BOUTIQUE Ferman Old City BOUTIQUE Ferman Pera BOUTIQUE Feronya Hotel 4* Fide Hotel 3* Flora Suites 5* Fors Hotel 3* Glamour Hotel 4* Golden Age Hotel 4* Golden Crown Hotel 3* Golden Horn Istanbul BOUTIQUE Golden Horn Sirkeci Hotel 4* Golden Royal BOUTIQUE Gonen 3* Grand Ant Hotel 3* Grand Beyazit Hotel 4* Grand Cevahir Hotel 5* Grand Emin Hotel 3* Grand Halic Hotel 4* Grand Hilarium 4* Grand Hyatt Istanbul Hotel 5* Grand Liza 3* Grand Marcello Hotel 4* Grand Mark Hotel 4* Grand Oztanik 4*+ Grand Pamir Hotel 3* Grand Sagcanlar Hotel 3* Grand Vatan 3* Grand Washington 4* Grand Yavuz Hotel 4* Gravis Suites Hotel 4* Gunes Hotel 4* Hagia Sophia Mansions BOUTIQUE Hali Hotel 3* Hilton Istanbul Bakirkoy 5* Hilton Istanbul Bosphorus Hotel 5* Historia Special S-CLASS History Hotel 3* Holiday Inn Istanbul City 5* Holiday Inn Sisli Hotel 5* Hotel Evsen 3* Hotel Residence 3* Hotellino Sirkeci 4* Hyatt Regency Atakoy 5* Ibis Istanbul Esenyurt 3* Ibis Istanbul Zeytinburnu 3* Ilkay Hotel BOUTIQUE Ilkbal Deluxe Hotel 4* Innova Sultanahmet Hotel 4* ISG Airport Hotel 4* Istanbul Central Hotel 3* Istanbul Crowne Plaza Old City 5* Istanbul Golden City Hotel 4* Kent 4* Konak Hotel 4* Kupeli Palace 3* Kybele Hotel 3* Lalahan Hotel 4* Lausos Hotel 4* Le Petit Palace Hotel 4* Legacy Ottoman Hotel 5* Levni Hotel 5* Lionel Hotel 4* Marmaray Hotel 4* Marnas Hotel 4* Maroon Pera Hotel 3* Maroon Tomtom Hotel 4* May Hotel 3* Megasa Palace Hotel 4* Mercure Istanbul Bomonti 5* Midmar Deluxe Hotel 4* Midtown Hotel 4* Millennium Istanbul Golden Horn 5* Mirrors Hotel 4* Molton Beyoglu 4* Molton Kabatas BOUTIQUE Molton Mecidiyekoy 4* Molton Nisantasi BOUTIQUE Molton Sisli BOUTIQUE Momento Beyazit Hotel 4* Morione Hotel 4* Mukarnas Pera Hotel 3* Nanda 4* Naum Pasa Hotel Boutique BOUTIQUE Nayla Palace Hotel 2* Neorion Hotel 4* Nidya Hotel Galataport 4* Nippon Hotel 4* Nordstern Galata Hotel 3* Novotel Istanbul Bosphorus Hotel 5* Novotel Istanbul Zeytinburnu 4* Nowy Efendi Hotel 4* Occidental Pera Istanbul 4* Occidental Taksim Hotel 4* Olimpiyat Hotel BOUTIQUE Orient Express Hotel 4* Orient Mintur 3* Orka Royal Hotel 4* Palde Hotel 4* Park Hyatt Istanbul Hotel 5* Pera Luna Residence 3* Pera Palace Hotel 5* Pera Rose Hotel BOUTIQUE Pera Tulip Hotel 4* Perula Hotel 3* Pierre Loti Hotel BOUTIQUE Point Hotel Barbaros 5* Point Hotel Taksim 5* Polat Demir 3* Premist Hotels Sultanahmet 4* Prestige 4* Radisson Blu Hotel Ottomare 5* Radisson Blu Hotel Pera 5* Radisson Blu Hotel Sisli 5* Ramada Hotel Merter 5* Ramada Istanbul Grand Bazaar 4* Recital Hotel 4* Regie Ottoman Hotel BOUTIQUE Richmond Istanbul 4* Rixos Pera 5* Romance Istanbul Hotel BOUTIQUE Sabena Hotel 3* Sahinler 3* Santa Sophia Hotel 3* Sari Konak Hotel 3* Sarnic BOUTIQUE Serife Sirin BOUTIQUE Seven Days Hotel 3* Seven Hills Palace Hotel & SPA 4* Sheraton Istanbul City Center 5* Silence Istanbul Hotel 5* Sirkeci Mansion BOUTIQUE Skalion Hotel 4* Sorriso Due Hotel 4* Sorriso Hotel 4* Star Holiday Hotel 3* Stone Hotel Istanbul 3* Sultan 3* Sultanahmet Cesme Hotel 3* Sultanhan Hotel S-CLASS Sultania Hotel BOUTIQUE Sultans Inn 3* Sun Comfort Hotel NO* Sura Design Hotel & Suites BOUTIQUE Sura Hagia Sophia Hotel 5* Sureyya Hotel 3* SV Business Hotel 4* Swissotel The Bosphorus 5*+ Taksim Gonen 4* Taksim Lion Hotel 4* Taksim Metropark Hotel 4* Tashkonak Hotel S-CLASS The Artisan Istanbul MGallery 4* The Biancho Pera 4* The Byzantium Hotel 4* The Craton Hotel 5* The Fox Hotels Taksim BOUTIQUE The Green Park Hotel 4* The Marmara Pera Hotel 4* The Marmara Sisli 4* The Meretto Hotel Istanbul 4* The Meretto Hotel Laleli 4* The Peak Hotel 4* The Premist Hotels Taksim 3* Tilia 4* Titanic Hotel Kartal 5* Titanik Business Golden Horn 5* Titanik City Taksim 4* Tomtom Suites 5* Trend Hotel Istanbul 4* Triada Karakoy Hotel BOUTIQUE Tryp By Wyndham 4* Tulip City Hotel 4* Turvan Hotel 3* Unique Suite 3* Venera 4* Verna Hotel 3* Vicenza Hotel 4* Vizon Hotel 3* Vogue Hotel Supreme Istanbul 5* Walton Galata Hotel 4* Wisteria Hotel BOUTIQUE World Heritage Hotel BOUTIQUE Yasmak Sultan Hotel 4* Yigitalp 4* Yusufpasa Konagi 3* Zurich 4*