A LA SOFIA HOTEL 3* A PLUS RESIDENCE 3* ACACIA MANSION HOTEL SPECIAL CLASS ACRA HOTEL 4* ADA HOMES APART HOTEL TAKSIM 3* AGAN HOTEL 3* AKGUN ISTANBUL HOTEL 5* ALBATROS HAGIA SOPHIA HOTEL 3* ALFA HOTEL 3* ALMINA HOTEL 4* ALMINA INN HOTEL 3* ALPINN HOTEL DUE 3* ALTUN LIFE HOTEL 3* ALZER HOTEL 4* AMBER HOTEL ISTANBUL 3* AMIRAL PALACE 4* ANTEA PALACE Hotel & SPA 4* ANTIK HOTEL 4* ANTIK IPEK HOTEL ( SPECIAL CLASS ) 2* ANTIS HOTEL SULTANAHMET 4* ANTUSA DESIGN HOTEL 4* ANTUSA PALACE HOTEL 4* APRILIS GOLD HOTEL 4* APRILIS HOTEL SULTANAHMET 4* ARDEN CITY HOTEL 4* ARENA HOTEL 4* ARMAGRANDI SPINA HOTEL SULTANAHMET 4* ART CITY HOTEL 3* ART EFES HOTEL 3* ARUNA HOTEL BOUTIQUE HOTEL ASPEN HOTEL ISTANBUL 3* ATLANTIS ROYAL HOTEL ISTANBUL 3* AVICENNA HOTEL 4* BERCE HOTEL BOUTIQUE HOTEL BEST NOBEL HOTEL SIRKECI 3* BEST WESTERN EMPIRE PALACE 4* BEYAZIT PALACE HOTEL 4* BLACK BIRD HOTEL 4* BLUE HOUSE HOTEL 3* BLUE ISTANBUL HOTEL SULTANAHMET 3* BOUTIQUE SAINT SOPHIA 4* CELAL SULTAN HOTEL 4* CIHANGIR PALACE HOTEL 3* COMFORT LIFE HOTEL 4* CONSTANTINOPOLIS HOTEL 3* CROWNE PLAZA LALELI OLD CITY 5* DALAN HOTEL LALELI 3* DARK HILL 4* DE MAREE HOTEL 3* DELTA HOTEL 3* DELUXE GOLDEN HORN 4* DIANA HOTEL 2* DIVAS HOTEL SULTANAHMET 3* DOSSO DOSSI HOTELS DOWNTOWN 5* DOSSO DOSSI HOTELS OLD CITY 4* DOSSO DOSSO HOTELS LALELI 3* EDIBE SULTAN HOTEL 3* ELITE WORLD ISTANBUL HOTEL 5* ELITE WORLD PRESTIGE HOTEL 4* ENDERUN HOTEL BEYAZIT 4* ENDICAN BEYAZIT HOTEL 4* ENDICAN SULTANAHMET HOTEL 5* EPHESUS 3* ERESIN HOTELS SULTANAHMET BOUTIQUE 4* ERESIN HOTELS TAXIM PREMIER 4* ERESIN HOTELS TOPKAPI 5* FER HOTEL 4* FERMAN HILAL HOTEL TAKSIM 3* FERMAN HOTEL OLD CITY 4* FERMAN KONAK HOTEL SULTANAHMET 3* GALLEY HOTEL 3* GEDIKPASA KONAGI 3* GOLDEN CROWN HOTEL 3* GOLDEN HILL HOTEL VATAN 5* GOLDEN HORN ISTANBUL 3* GOLDEN HORN SIRKECI 4* GOLDEN SAND HOTEL 3* GORUR HOTEL 3* GRAND ANKA 4* GRAND ANT HOTEL 3* GRAND BEYAZIT HOTEL 4* GRAND BOSFOR HOTEL 3* GRAND EMIN HOTEL LALELI / YENIKAPI 3* GRAND HOTEL GULSOY 4* GRAND LIZA HOTEL 3* GRAND MADRID 4* GRAND MAKEL HOTEL TOPKAPI 5* GRAND MARCELLO HOTEL 4* GRAND ONS HOTEL 3* GRAND PAMIR HOTEL 3* GRAND WASHINGTON HOTEL 4* GRAND YAVUZ 4* GRAZIELLA GOLD HOTEL 3* GREAT FORTUNE DESIGN HOTEL 4* GULER PALAS HOTEL 3* HISTORIA HOTEL SPECIAL CLASS 3* HOLIDAY INN ISTANBUL - OLD CITY 4* HOTEL MIKLAGORD 3* HOTEL ALBATROS PREMIER 4* HOTEL BLACK TULIP 4* HOTEL BULVAR PALAS 4* HOTEL CENTRUM ISTANBUL 3* HOTEL DENIZ HOUSES 3* HOTEL EVSEN 3* HOTEL FUAR 3* HOTEL GDS SPECIAL CLASS HOTEL GRAND MARK 3* HOTEL HALI 3* HOTEL KURAN ISTANBUL 3* HOTEL MELAS ISTANBUL 5* HOTEL MEVLANA 4* HOTEL NAUMPASA KONAGI 3* HOTEL OLIMPIYAT 3* HOTEL PERULA 3* HOTEL SOKULLU PASA 4* HOTEL SULTAN'S INN HOTEL 3* HOTEL SULTANIA 4* ILKBAL DELUXE HOTEL ISTANBUL 4* INNOVA SULTANAHMET HOTEL 4* ISTANBUL BLUE HOTEL BEYAZIT 4* ISTANBUL COMFORT HOTEL 3* ISTANBUL HOLIDAY HOTEL 3* KADIR PASA 5* KAYA MADRID HOTEL 3* KECIK HOTEL 3* KLAS HOTEL 4* KONAK HOTEL ISTANBUL 4* KUNLUN HOTEL 4* LADY DIANA 4* LALELI EMIN HOTEL 3* LALELI GONEN HOTEL 3* LALINN HOTEL 3* LEVNI HOTEL SPA 4*+ LIKA HOTEL 2* LIVA HOTEL CIHANGIR 3* MAGNIFICENT HOTEL KUMKAPI / SULTANAHMET 3* Manesol Old City Bosphorus 4* MARMARAY HOTEL 3* MARTINENZ HOTEL 3* MAY HOTEL 3* MEGARON HOTEL 3* MERCURE ISTANBUL SIRKECI 4* MOMENTO HOTEL BEYAZIT 4* MONARCH HOTEL 3* NAYLA PALACE HOTEL 3* NEW EMIN HOTEL 3* NO 12 HOTEL SULTANAHMET 4* NOWY EFENDI HOTEL 4* ORAN HOTEL 4* ORIENT EXPRESS HOTEL 3* ORKA ROYAL HOTEL 4* OTTOMAN'S PEARL HOTEL 3* OZYURT HOTEL 2* PELL PALACE HOTEL&SPA 4* PERA PALACE HOTEL 5* POLAT DEMIR HOTEL 3* PRESTIGE HOTEL 3* RADISSON HOTEL PRESIDENT BEYAZIT ISTANBUL 4* RAIMOND HOTEL 3* RAMADA BY WYNDHAM ISTANBUL GRAND BAZAAR 4* RECITAL HOTEL 3* REYDEL HOTEL 2* ROMANCE ISTANBUL HOTEL BOUTIQUE HOTEL ROSE GARDEN HOUSE 4* SAMIR HOTEL 4* SANTA SOPHIA HOTEL 3* SARNIC HOTEL 4* SARNIC PREMIER 3* SENATUS HOTEL 3* SEVEN DAYS HOTEL 3* SEVEN HILLS HOTEL 4* SEVEN HILLS PALACE 4* SIM HOTEL ISTANBUL 3* SKALION HOTEL & SPA 4* SOGUT HOTEL OLD CITY ISTANBUL 4* SORRISO DUE HOTEL 4* SPINEL HOTEL 3* STONE HOTEL 3* SULTAN HOUSE HOTEL 4* SULTAN SULEYMAN PALACE HOTEL 4* SULTANAHMET CESME HOTEL 3* SULTANAHMET LAUSOS HOTEL 4* SULTANAHMET PREMIST HOTEL 4* SUMENGEN HOTEL 4* SUN COMFORT HOTEL 3* SUR HOTEL SULTANAHMET 3* SURA HAGIA SOPHIA HOTEL 5* SUREYYA HOTEL 3* TAKSIM PREMIST HOTEL 3* TAYHAN HOTEL 3* THE BYZANTIUM HOTEL 4* THE LAILA HOTEL 3* THE LOLA HOTEL 3* THE MERETTO ISTANBUL OLD CITY 4* THE MERETTO LALELI OLD CITY 3* THE PEAK HOTEL TAKSIM 4* THE REINA HOTEL 3* THE RITZ CARLTON 5* THE XANADU HOTEL 3* THEODIAN HOTEL 3* TIYATRO HOTEL OLD CITY 2* TRIA HOTEL 4* TURVAN HOTEL 3* VICENZA HOTEL 4* VOGUE HOTEL SUPREME ISTANBUL 5* WALTON HOTELS TAKSIM 3* YASMAK SULTAN HOTEL 4* YIGITALP HOTEL LALELI 4* YILSAM HOTEL SULTANAHMET 4* YUSUFPASA KONAGI HOTEL 3* ZAGREB HOTEL 4* ZURICH HOTEL LALELI 4*