ALFA HOTEL ISTANBUL 3* ALL SEASONS HOTEL 4* ALMINA HOTEL S class ALMINA INN HOTEL Boutique AMBER HOTEL ISTANBUL 3* ANTEA PALACE HOTEL & SPA 4* ANTIK HOTEL ISTANBUL 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* ASKOC HOTEL 4* ATIK PALACE HOTEL S class / 3* ATLANTIS ROYAL HOTEL S class / 3* AVANTGARDE HOTEL SISLI 4* AVANTGARDE LEVENT HOTEL S class / 5* AVANTGARDE TAKSIM HOTEL 4* AVANTGARDE TAKSIM SQUARE HOTEL S class / 4* AVICENNA HOTEL S class / 4* BAZAAR HOTEL S class / 3* BEKDAS DELUXE HOTEL & SPA 4* BERGAMA HOTEL ISTANBUL 3* BERLIN HOTEL NISANTASI S class / 3* BERR HOTEL ISTANBUL 4* BEST WESTERN EMPIRE PALACE HOTEL & SPA S class / 4* BEYAZIT PALACE HOTEL 4* BIZ CEVAHIR SULTANAHMET S class / 4* BLACK BIRD HOTEL ISTANBUL 4* BLUE ISTANBUL HOTEL S class / 3* BLUE ISTANBUL TAKSIM HOTEL S class / 3* BLUE MARMARAY HOTEL 3* BUKE HOTEL ISTANBUL S class / 4* BUYUK HAMIT HOTEL 4* CARTOON HOTEL 4* CELAL AGA KONAGI HOTEL 5* CELAL SULTAN HOTEL S class / 4* CIHANGIR HOTEL 3* CITYCENTER HOTEL TAKSIM 4* COMFORT LIFE HOTEL S class / 4* CONRAD ISTANBUL BOSPHORUS 5* CONSTANTINOPOLIS HOTEL Boutique CVK PARK BOSPHORUS HOTEL 5* DARKHILL HOTEL 4* DELUXE GOLDEN HORN SULTANAHMET 4* DIVAN ISTANBUL CITY HOTEL 4* DIVAN ISTANBUL HOTEL 5* DOSSO DOSSI HOTELS & SPA DOWNTOWN 5* DOSSO DOSSI HOTELS GOLDEN HORN 4* DOSSO DOSSI HOTELS LALELI Boutique DOSSO DOSSI HOTELS OLD CITY 4* DOSSO DOSSI HOTELS YENIKAPI S class DOUBLETREE BY HILTON ISTANBUL PIYALEPASA 5* DOUBLETREE BY HILTON ISTANBUL TOPKAPI HOTEL 5* DUNDAR HOTEL S class / 4* ELITE WORLD ISTANBUL HOTEL 5* ELITE WORLD PRESTIGE HOTEL 4* ELYSIUM STYLES TAKSIM HOTEL 4* ERESIN HOTELS SULTANAHMET S class / 5* ERESIN HOTELS TOPKAPI 5* FAVORI HOTEL S class / 4* FER HOTEL S class / 4* GEZI HOTEL BOSPHORUS S class / 5* GOLDEN AGE ISTANBUL HOTEL 4* GOLDEN CROWN HOTEL 3* GOLDEN HILL HOTEL DOWNTOWN (VATAN CADDESI) 5* GOLDEN HORN ISTANBUL HOTEL 3* GOLDEN HORN SIRKECI HOTEL S class / 4* GRAND BEYAZIT HOTEL 4* GRAND CEVAHIR HOTEL CONVENTION CENTER 5* GRAND HYATT ISTANBUL HOTEL 5* GRAND LIZA HOTEL 3* GRAND MAKEL HOTEL TOPKAPI 5* GRAND OZTANIK HOTEL 4* GRAND PAMIR HOTEL S class / 3* GRAND SIRKECI HOTEL S class / 4* GRAND WASHINGTON HOTEL 4* GRAND YAVUZ HOTEL 4* GRAZIELLA GOLD HOTEL S class / 4* GREAT FORTUNE DESIGN HOTEL S class / 4* HALI HOTEL 3* HILTON ISTANBUL BOSPHORUS 5* INNOVA SULTANAHMET HOTEL 4* ISTANBUL TREND HOTEL 4* JAFF HOTELS NISANTASI S class / 4* KENT HOTEL ISTANBUL 4* KONAK HOTEL ISTANBUL 4* KUNLUN KENSINGTON HOTEL S class / 4* LADY DIANA HOTEL 4* LASAGRADA HOTEL ISTANBUL 5* LEGACY OTTOMAN HOTEL 5* LEVNI HOTEL & SPA S class / 5* MANESOL GALATA HOTEL S class / 4* MARBLE HOTEL 4* MARMARAY HOTEL 4* MATIAT HOTEL ISTANBUL 4* MAY HOTEL ISTANBUL S class / 3* MELAS HOTEL ISTANBUL S class / 5* MERCURE ISTANBUL SIRKECI HOTEL 4* METROPOLITAN HOTELS BOSPHORUS 4* MIDTOWN HOTEL ISTANBUL 4* MOVENPICK HOTEL ISTANBUL GOLDEN HORN 5* OLIMPIYAT HOTEL 3* ORIENT EXPRESS & SPA BY ORKA HOTELS S class / 4* ORKA ROYAL HOTEL 4* ORKA TAKSIM SUITES & HOTEL S class / 3* OTTOMAN HOTEL IMPERIAL S class / 4* OTTOMAN HOTEL PARK S class / 4* OTTOMANS LIFE DELUXE HOTEL 5* PALDE HOTEL & SPA 4* PELL PALACE HOTEL & SPA S class / 4* PERA ROSE HOTEL S class / 4* PERA TULIP HOTEL 4* POINT HOTEL BARBAROS 5* POINT HOTEL TAKSIM 5* POLATDEMIR HOTEL 3* PORT BOSPHORUS HOTEL 4* PREMIST HOTELS SULTANAHMET S class / 4* PREMIST HOTELS TAKSIM 3* PRESTIGE HOTEL 3* RADISSON BLU HOTEL ISTANBUL SISLI 5* RAMADA BY WYNDHAM ISTANBUL TAKSIM 4* RAMADA PLAZA BY WYNDHAM ISTANBUL SULTANAHMET 5* RICHMOND ISTANBUL HOTEL 4* RIXOS PERA ISTANBUL S class / 5* ROMANCE ISTANBUL HOTEL S class / 4* ROSE GARDEN HOUSE HOTEL S class 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* SKALION HOTEL & SPA 4* SOFITEL ISTANBUL TAKSIM HOTEL 5* SOGUT HOTEL & SPA OLD CITY 4* SULTANIA HOTEL S class / 4* SUREYYA HOTEL 3* SWISSOTEL THE BOSPHORUS 5* TAXIM HILL HOTEL S class / 4* TAXIMTOWN HOTEL 3* THE ARTISAN ISTANBUL MGALLERY 4* THE BIANCHO HOTEL OLD CITY 3* THE BIANCHO HOTEL PERA S class / 4* THE ELYSIUM TAKSIM HOTEL 5* THE GALATAPORT HOTEL S class / 3* THE MARMARA PERA HOTEL 4* THE MARMARA SISLI HOTEL 4* THE MARMARA TAKSIM HOTEL 5* THE PEAK HOTEL 4* THE PERAPORT HOTEL S class / 3* THE RITZ-CARLTON ISTANBUL 5* THE WESTIN ISTANBUL NISANTASI S class / 5* TULIP CITY HOTEL 4* VALI KONAK HOTEL S class / 3* VICENZA HOTEL 4* VOGUE SUPREME ISTANBUL S class / 5* W ISTANBUL HOTEL S class / 5* WALTON HOTELS GALATA S class / 4* YASMAK SULTAN HOTEL 4* YILSAM SULTANAHMET HOTEL S class / 4* ZURICH HOTEL ISTANBUL 4*