A Plus Residence 3* Agan Hotel 3* Akgun Hotel 5* Akgun Istanbul 5* Albatros Hagia Sophia Hotel 4* Aldem Hotel (ex. Alaaddin Hotel) BOUTIQUE All Seasons Hotel 4* Alpek Hotel 4* Altun Life Hotel 2* Alzer Hotel S-CLASS Amber Hotel 4* And Hotel BOUTIQUE Antik Hotel Istanbul 4* Antusa Design Hotel & Spa 4* Aprilis Gold Hotel 4* Aprilis Hotel 4* Arden City Hotel 4* Armagrandi Spina Hotel BOUTIQUE Arts Hotel 4* Asur Hotel S-CLASS Atlantis Royal Hotel 3* Avicenna Hotel 4* Bahira Hotel 4* Balin BOUTIQUE Barcelo Istanbul Hotel 5* Barin 3* Berjer Hotel BOUTIQUE Best Western Empire Palace 4* Beyazit Palace Hotel 4* Black Bird Hotel 4* Black Tulip Hotel 4* Blue House Hotel 3* Blue Istanbul Hotel 3* Blue Istanbul Hotel Taksim BOUTIQUE Blue Marmaray Hotel 3* Buyuk Hamit Hotel 4* Buyuk Paris Hotel 3* Cartoon Hotel 4* Castillo Rojo Hotel Istanbul 4* Centrum Hotel BOUTIQUE Cihangir Palace Hotel 4* Ciragan Palace Kempinski 5* 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 Crowne Plaza Istanbul 5* CVK Park Bosphorus Hotel 5* Darkhill Hotel 4* Decamondo Hotel SC Deluxe Golden Horn Sultanahmet 4* Deluxe Newport Hotel 3* Deniz Houses Hotel 3* Dersaadet Hotel BOUTIQUE Divan Istanbul Hotel Taksim 5* Divas Hotel 3* Dosso Dossi Hotel Downtown 5* Dosso Dossi Hotel Old City 4* Double Tree by Hilton Istanbul Piyalepasa 5* 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 Hotel 5* Enderun Hotel 4* Endican Beyazit Hotel Boutique Beyazit 4* Eresin Hotel Sultanahmet 5* Eresin Hotel Taxim Premier 4* Eresin Hotel Topkapi 5* Erguvan Hotel 4* Faros Hotel Old City 4* Faros Otel Taksim 4* FER Hotel BOUTIQUE Feronya Hotel 4* Fide Hotel 3* Gedik Pasa Konagi 3* Gezi Hotel Bosphorus 5* Glamour Hotel 4* Golden Crown Hotel 3* Golden Horn Istanbul BOUTIQUE Golden Horn Sirkeci Hotel 4* Golden Palace Hotel BOUTIQUE Golden Sand Hotel 3* Grand Ant Hotel 3* Grand Beyazit Hotel 4* Grand Emin Hotel 3* Grand Halic Hotel 4* Grand Hilarium 4* Grand Liza 3* Grand Marcello Hotel 4* Grand Mark Hotel 3* Grand Pamir Hotel 3* Grand Washington 4* Great Fortune Design Hotel BOUTIQUE Great Fortune Spa Hotel 4* Gunes Hotel 4* Hagia Sophia Mansions BOUTIQUE Hali Hotel 3* Hilton Istanbul Bosphorus Hotel 5* History Hotel 3* Holiday Inn Istanbul 4* Hotel Evsen 3* Hotel Residence 3* Hotellino Sirkeci 4* Ilkay Hotel BOUTIQUE Ilkbal Deluxe Hotel 4* Innova Sultanahmet Hotel 4* ISG Airport Hotel 4* Istanbul Blue Hotel Beyazit 4* Istanbul Golden City Hotel 4* JW Marriott Istanbul Bosphorus 5* Konak Hotel 4* Kupeli Palace 3* Kybele Hotel 3* Lady Diana Hotel 4* Lalahan Hotel 4* Lemon Residence 3* Levni Hotel 5* Lika Hotel 2* Marmaray Hotel 4* May Hotel 3* Midmar Deluxe Hotel 4* Midtown Hotel 4* Mirrors Hotel 4* Momento Beyazit Hotel 4* Nanda 4* Naum Pasa Hotel Boutique BOUTIQUE Naz Wooden House Inn 3* New Port Sultanahmet 3* Nidya Hotel Galataport 4* Niles Hotel 3* Nippon Hotel 4* Novotel Istanbul Bosphorus Hotel 5* Nowy Efendi Hotel 4* Occidental Pera Istanbul 4* Occidental Taksim Hotel 4* Olimpiyat Hotel BOUTIQUE Palde Hotel 4* Pera Luna Residence 3* Pera Palace Hotel 5* Perula Hotel 3* Point Hotel Taksim 5* Polat Demir 3* Premist Hotels Sultanahmet 4* Prestige 4* Radisson Blu Hotel Ottomare 5* Radisson Blu Hotel Pera 5* Radisson Hotel Istanbul Sultanahmet (ex. Best Western Citadel Hotel) BOUTIQUE Radisson Hotel President Byeazit Istanbul 4* Ramada by Wyndham Istanbul Golden Horn 4* Ramada Istanbul Grand Bazaar 4* Recital Hotel 4* Regie Ottoman Hotel BOUTIQUE Rixos Pera 5* Romance Istanbul Hotel BOUTIQUE Sahinler 3* Santa Sophia Hotel 3* Sari Konak Hotel 3* Sarnic BOUTIQUE Seven Days Hotel 3* Seven Hills Palace Hotel & SPA 4* Shangri-La Bosphorus Hotel 5* Sirkeci Mansion BOUTIQUE Skalion Hotel 4* Sogut Hotel Old City Istanbul 4* Sorriso Due Hotel 4* Sorriso Hotel 4* Stone Hotel Istanbul 3* Sultan 3* Sultanahmet Cesme Hotel 3* Sultanahmet Park Hotel 4* Sultanhan Hotel S-CLASS Sultania Hotel BOUTIQUE Sultans Inn 3* Sun Comfort Hotel 3* Sura Hagia Sophia Hotel 5* Sureyya Hotel 3* SV Business Hotel 4* Swissotel The Bosphorus 5*+ Terrace Suites Istanbul Hotel 4* The Artisan Istanbul MGallery 4* The Byzantium Hotel 4* The Craton Hotel 5* The Galataport Hotel BOUTIQUE The Green Park Hotel 4* The Green Park Hotel Merter 5* The Marmara Pera Hotel 4* The Marmara Suadiye Residence 5* The Meretto Hotel Istanbul 4* The Meretto Hotel Laleli 4* The Peraport Hotel 2* The Premist Hotels Taksim 3* Titanic Hotel Kartal 5* Titanic Port Bakirkoy 5* Tiyatro Hotel Oldcity 3* Tomtom Suites 5* Tryp By Wyndham 4* Turvan Hotel 3* Unique Suite 3* Venera 4* Verna Hotel 3* Viva Hotel Istanbul 3* Vizyon City Hotel 3* Vogue Hotel Supreme Istanbul 5* Walton Galata Hotel 4* Walton Taksim Hotel 4* Wish More 5* Yasmak Sultan Hotel 4* Yilsam Sultanahmet Hotel 4* Yusufpasa Konagi 3* Zurich 4*