AC HOTEL ISTANBUL MACKA 4* ALFA HOTEL ISTANBUL 3* ALL SEASONS HOTEL 4* ALMINA HOTEL S class ALMINA INN HOTEL Boutique ANTEA PALACE HOTEL & SPA 4* ANTUSA DESIGN HOTEL & SPA S class / 4* ANTUSA PALACE HOTEL & SPA S class / 4* APRILIS DELUXE HOTEL 4* APRILIS GOLD HOTEL S class / 4* APRILIS HOTEL 4* ARCADE HOTEL NISANTASI S class / 4* ARMADA HOTEL ISTANBUL 4* ARMAGRANDI SPINA HOTEL S class / 4* ASKOC HOTEL 4* ATIK PALACE HOTEL S class / 3* ATLANTIS ROYAL HOTEL S class / 3* AVICENNA HOTEL S class / 4* BEKDAS DELUXE HOTEL & SPA 4* BERLIN HOTEL NISANTASI S class / 3* BEST WESTERN EMPIRE PALACE HOTEL & SPA S class / 4* BEYAZIT PALACE HOTEL 4* BIRBEY HOTEL 3* BIZ CEVAHIR SULTANAHMET S class / 4* BLUE ISTANBUL HOTEL S class / 3* BLUE ISTANBUL TAKSIM HOTEL S class / 3* BUKE HOTEL BOMONTI S class / 4* BUKE HOTEL SISLI S class / 4* CARTOON HOTEL 4* CELAL SULTAN HOTEL S class / 4* CENTRUM HOTEL ISTANBUL 3* CIHANGIR HOTEL BOSPHORUS 3* CITYCENTER HOTEL TAKSIM 4* CONRAD ISTANBUL BOSPHORUS 5* CONSTANTINOPOLIS HOTEL Boutique CRESTIUM PRIME SQUARE HOTEL S class / 4* CRESTIUM PRIVE SPA HOTEL S class / 4* CROWNE PLAZA ISTANBUL HARBIYE 5* CVK PARK BOSPHORUS HOTEL 5* DANIS HOTEL 4* DARKHILL HOTEL 4* DELUXE GOLDEN HORN SULTANAHMET 4* DIVAN ISTANBUL HOTEL 5* DOSSO DOSSI HOTELS & SPA DOWNTOWN 5* DOSSO DOSSI HOTELS GOLDEN HORN 5* DOSSO DOSSI HOTELS LALELI Boutique DOSSO DOSSI HOTELS OLD CITY 4* DOSSO DOSSI HOTELS YENIKAPI S class DOUBLETREE BY HILTON ISTANBUL GAYRETTEPE HOTEL 5* DOUBLETREE BY HILTON ISTANBUL PIYALEPASA 5* DOUBLETREE BY HILTON ISTANBUL TOPKAPI HOTEL 5* EDITION OLD CITY HOTEL 4* EVSEN HOTEL S class / 3* FER HOTEL 4* GALATOWER HOTEL S class / 3* GEZI HOTEL BOSPHORUS S class / 5* GLEAM BOMONTI HOTEL S class / 4* GLEAM COLLECTION HOTEL S class / 5* GOLDEN AGE ISTANBUL HOTEL 4* GOLDEN CROWN HOTEL 3* GRAND BEYAZIT HOTEL 4* GRAND CEVAHIR HOTEL CONVENTION CENTER 5* GRAND DURMAZ HOTEL 4* GRAND EMIN HOTEL 3* GRAND LIZA HOTEL 3* GRAND PAMIR HOTEL S class / 3* GRAND SIRKECI HOTEL S class / 4* GRAND TUANNA HOTEL Boutique GRAND WASHINGTON HOTEL 4* GRAND YAVUZ HOTEL 4* GRAZIELLA GOLD HOTEL 4* GREAT FORTUNE DESIGN HOTEL S class / 4* HALI HOTEL 3* HILTON ISTANBUL BAKIRKOY HOTEL 5* HILTON ISTANBUL BOSPHORUS 5* IPEK PALAS HOTEL S class / 4* ISTANBUL MARRIOTT HOTEL SISLI 5* KONAK HOTEL ISTANBUL 4* LA SERA HOTEL 3* LADY DIANA HOTEL 4* LASAGRADA HOTEL ISTANBUL 5* LE MERIDIEN ISTANBUL ETILER HOTEL 5* MAY HOTEL ISTANBUL S class / 3* METROPOLITAN HOTELS TAKSIM 4* MIDTOWN HOTEL ISTANBUL 4* NIDYA HOTEL GALATAPORT 4* ORIENT EXPRESS & SPA BY ORKA HOTELS S class / 4* ORKA ROYAL HOTEL 4* ORKA TAKSIM SUITES & HOTEL S class / 3* PARK INN BY RADISSON ISTANBUL ATATURK AIRPORT 5* PERA ROSE HOTEL S class / 4* PERA TULIP HOTEL 4* POINT HOTEL BARBAROS 5* POINT HOTEL TAKSIM 5* PRESTIGE HOTEL 3* RAMADA BY WYNDHAM ISTANBUL GRAND BAZAAR 4* RAMADA BY WYNDHAM ISTANBUL TAKSIM 4* RAMADA PLAZA BY WYNDHAM ISTANBUL ATAKOY 5* RICHMOND ISTANBUL HOTEL 4* RIXOS PERA ISTANBUL 5* ROMANCE ISTANBUL HOTEL S class / 4* ROOT KARAKOY HOTEL S class / 4* SANTA SOPHIA HOTEL 3* SARNIC HOTEL S class / 3* SARNIC PREMIER HOTEL S class / 3* SERES HOTEL OLD CITY 3* SEVEN DAYS HOTEL ISTANBUL S class / 3* SIM HOTEL 3* SULTAN HAMIT HOTEL S class / 4* SULTANIA HOTEL S class / 4* SURA HAGIA SOPHIA HOTEL & SPA 5* SUREYYA HOTEL 3* SWISSOTEL THE BOSPHORUS 5* TAXIM HILL HOTEL S class / 4* THE BIANCHO HOTEL OLD CITY 3* THE BIANCHO HOTEL PERA S class / 4* THE ELYSIUM TAKSIM HOTEL 5* THE GALATA ISTANBUL HOTEL - MGALLERY S class / 4* THE PERAPORT HOTEL S class / 3* TRYP BY WYNDHAM ISTANBUL SISLI HOTEL 4* TULIP CITY HOTEL 4* VOGUE SUPREME ISTANBUL S class / 5* WALTON HOTELS GALATA S class / 4* YASMAK SULTAN HOTEL 4* YILSAM SULTANAHMET HOTEL S class / 4* ZAGREB HOTEL 4* ZURICH HOTEL ISTANBUL 4*