ADELA HOTEL 4* AKGUN ISTANBUL HOTEL 5* AMBER HOTEL ISTANBUL 3* ANTIK HOTEL ISTANBUL 4* ANTUSA DESIGN HOTEL & SPA S class / 4* ANTUSA PALACE HOTEL & SPA S class / 4* ARMADA HOTEL ISTANBUL 4* ARMAGRANDI SPINA HOTEL S class / 4* ATIK PALACE HOTEL S class / 3* ATLANTIS ROYAL HOTEL S class / 3* AVICENNA HOTEL S class / 4* BARCELO ISTANBUL HOTEL 5* 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 MARMARAY HOTEL 3* BRICKS HOTEL 5* BULVAR PALAS HOTEL 4* BUYUK HAMIT HOTEL 4* CARTOON HOTEL 4* CENTRO WESTSIDE ISTANBUL ROTANA 4* CENTRUM HOTEL ISTANBUL 3* CIHANGIR HOTEL 3* CIHANGIR PALACE HOTEL S class / 4* CIRAGAN PALACE KEMPINSKI 5* CITYCENTER HOTEL TAKSIM 4* CONRAD ISTANBUL BOSPHORUS 5* CONSTANTINOPOLIS HOTEL Boutique CROWNE PLAZA ISTANBUL HARBIYE 5* CVK PARK BOSPHORUS HOTEL 5* DARKHILL HOTEL 4* DELTA HOTELS BY MARRIOTT ISTANBUL HALIC 4* DELUXE GOLDEN HORN SULTANAHMET 4* DOUBLETREE BY HILTON ISTANBUL SIRKECI HOTEL 4* DOUBLETREE BY HILTON ISTANBUL TOPKAPI HOTEL 5* DUNDAR HOTEL 3* ELITE WORLD ISTANBUL HOTEL 5* ELITE WORLD PRESTIGE HOTEL 4* FAIRMONT QUASAR ISTANBUL HOTEL 5* GENOVA ISTANBUL HOTEL 3* GLENS PALAS ISTANBUL S class / 5* GOLDEN AGE ISTANBUL HOTEL 4* GOLDEN CROWN HOTEL 3* GOLDEN ROYAL HOTEL S class / 4* GRAND ARAS HOTEL & SUITES 4* GRAND BOSFOR HOTEL 3* GRAND CEVAHIR HOTEL CONVENTION CENTER 5* GRAND HILARIUM HOTEL 4* GRAND STAR HOTEL 4* GRAND WASHINGTON HOTEL 4* GREAT FORTUNE DESIGN HOTEL S class / 4* GREAT FORTUNE HOTEL & SPA 4* HALI HOTEL 3* HAMIT HOTEL 3* HILTON ISTANBUL BOMONTI & CONFERENCE CENTER 5* HILTON ISTANBUL BOSPHORUS 5* HOLIDAY INN SISLI HOTEL 5* INNOVA SULTANAHMET HOTEL 4* ISTANBUL GONEN HOTEL 5* JW MARRIOTT ISTANBUL BOSPHORUS HOTEL 5* LADY DIANA HOTEL 4* LALELI GONEN HOTEL 3* LASAGRADA HOTEL ISTANBUL 5* LIKA HOTEL S class / 3* MANESOL GALATA HOTEL S class / 4* MARBLE HOTEL 4* MARMARAY HOTEL 4* MAY HOTEL ISTANBUL S class / 3* MERCURE ISTANBUL BOMONTI HOTEL 5* METROPOLITAN HOTELS BOSPHORUS 4* OCCIDENTAL TAKSIM HOTEL 4* OLIMPIYAT HOTEL 3* ORKA ROYAL HOTEL 4* OTTOMANS LIFE BOUTIQUE HOTEL S class / 4* PELL PALACE HOTEL & SPA S class / 4* PERA TULIP HOTEL 4* POINT HOTEL BARBAROS 5* POLATDEMIR HOTEL 3* PREMIST HOTELS SULTANAHMET S class / 4* PREMIST HOTELS TAKSIM 3* PRESTIGE HOTEL 3* RADISSON BLU HOTEL ISTANBUL PERA 5* RADISSON BLU HOTEL ISTANBUL SISLI 5* RAMADA BY WYNDHAM ISTANBUL GOLDEN HORN HOTEL 4* RAMADA BY WYNDHAM ISTANBUL TAKSIM 4* RAMADA HOTEL & SUITES BY WYNDHAM ISTANBUL ATAKOY 5* RAMADA HOTEL & SUITES BY WYNDHAM ISTANBUL MERTER 5* RIXOS PERA ISTANBUL S class / 5* ROMANCE ISTANBUL HOTEL S class / 4* ROSE GARDEN SUITES S class SABENA HOTEL 3* SANTA SOPHIA HOTEL 3* SARNIC HOTEL 3* SEVEN DAYS HOTEL ISTANBUL S class / 3* SKALION HOTEL & SPA 4* SOFITEL ISTANBUL TAKSIM HOTEL 5* SOGUT HOTEL 3* SORRISO HOTEL 4* SULTAN HOUSE HOTEL S class / 3* SULTANIA HOTEL S class / 4* SURA HAGIA SOPHIA HOTEL & SPA 5* SWISSOTEL THE BOSPHORUS 5* TAKSIM GONEN HOTEL 4* TAXIMTOWN HOTEL 3* TEMPO FAIR SUITES S class / 3* TEMPO HOTEL 4.LEVENT 3* TEMPO HOTEL CAGLAYAN 3* TEMPO SUITES AIRPORT S class / 3* THE BYZANTIUM HOTEL & SUITES S class / 4* URBAN HOTEL BOMONTI S class / 4* VALI KONAK HOTEL S class / 3* VALIDE HOTEL 3* VICENZA HOTEL 4* VICTORY HOTEL & SPA ISTANBUL S class / 4* WALTON HOTELS GALATA S class / 4* WESTSIDE ARJAAN BY ROTANA ISTANBUL 4* WHITE MONARCH HOTEL 4* WYNDHAM GRAND ISTANBUL LEVENT 5* YASMAK SULTAN HOTEL 4* ZAGREB HOTEL 4* ZURICH HOTEL ISTANBUL 4*