ABEL 3* ACACIA MANSION _ AKGUN ISTANBUL 5* AKKA LUSH 4* ALBATROS HAGIA SOPHIA 4* ALMINA 4* ALPEK 4* ALTUN LIFE 2* ALZER _ AMBER 3* ANTIS 4* ANTUSA DESIGN HOTEL & SPA Boutique APRILIS GOLD. 4* ARDEN CITY 4* ARENA HOTEL SULTANAHMET. 4* ARMADA OLD CITY 4* ARTEFES 3* ASITANE LIFE 3* ASMALI _ ATLANTIS ROYAL 3* ATRO _ AVICENNA 4* AVICENNA. _ AYA SULTAN 4* BARCELO 5* BARIN 3* BEETHOVEN 3* BEETHOVEN HOTEL & SUITE 3* BEETHOVEN PREMIUM 3* BEETHOVEN SENFONI 4* BEST WESTERN EMPIRE PALACE 4* BEST WESTERN EMPIRE PALACE. 4* BEYAZ SARAY 4* BEYAZIT PALACE _ BLACK BIRD. 4* BLUE ISTANBUL 3* BLUE ISTANBUL HOTEL TAKSIM _ BLUE MARMARAY HOTEL LALELI 3* BUDO 3* BUYUK PARIS 3* BY MURAT ROYAL 3* CARVAN 3* CASTILLO ROJO _ CELAL AGA KONAGI 5* CELAL SULTAN 4* CELAL SULTAN. _ CIHANGIR PALACE 4* CIRAGAN PALACE KEMPINSKI 5* CITY CENTER HOTEL TAKSIM 4* CLARION HOTEL GOLDEN HORN 4* CONRAD ISTANBUL BOSPHORUS 5* CONSTANTINOPOLIS 3* CORNER GARDEN _ CROWNE PLAZA OLD CITY 5* CVK PARK BOSPHORUS 5* DANIS _ DARA 3* DARKHILL 4* DE MAREE _ DEDEM 3* DELTA 3* DELUXE GOLDEN HORN 4* DELUXE GOLDEN HORN SULTANAHMET 4* DELUXE GOLDEN HORN SULTANAHMET. 4* DELUXE NEW PORT 3* DIVAS HOTEL 3* DOSSO DOSSI DOWNTOWN 5* DOSSO DOSSI OLD CITY 4* DUNDAR 3* EDIBE SULTAN HOTEL 3* ELAN _ ELITE WORLD ISTANBUL 5* ENDERUN 4* ENDICAN BEYAZIT _ EURO DESIGN 3* FAIRMONT QUASAR 5* FEHMI BEY 3* FER HOTEL 5* FERONYA 4* FORS. 3* GEDIK PASA KONAGI 3* GEZI HOTEL BOSPHORUS 5* GOLDEN AGE 4* GOLDEN CROWN 3* GOLDEN HORN _ GOLDEN PALACE 4* GRAND BOSFOR 3* GRAND FATIH _ GRAND HALIC 4* GRAND HILARIUM 4* GRAND LIZA 3* GRAND MAKEL TOPKAPI _ GRAND MARCELLO 4* GRAND MARCELLO. S-Class GRAND MARK 3* GRAND PAMIR _ GRAND PAMIR. 3* GRAND STAR BOSPHORUS 4* GRAND WASHINGTON 4* GRAND YAVUZ 4* GRAND YAVUZ 4* GRAZIELLA GOLD _ GREAT FORTUNE DESIGN 4* GREAT FORTUNE HOTEL SPA 4* HAGIA SOFIA MANSIONS CURIO COLLECTION BY HILTON _ HALI 3* HALI. 3* HAMPTON BY HILTON ISTANBUL ZEYTINBURNU 4* HILTON ISTANBUL BOSPHORUS 5* HONEY HOTEL SULTANAHMET _ INNOVA SULTANAHMET 4* ISHAK PASA KONAGI 4* ISTANBUL BLUE HOTEL BEYAZIT _ ISTANBUL HOLIDAY 3* JW MARRIOTT ISTANBUL BOSPHORUS 5* KALYON 4* KAYA MADRID 3* KONAK HOTEL TAKSIM _ KUPELI PALACE 3* KUPELI PALACE. _ LE MERIDIEN ISTANBUL. 5* LEGACY OTTOMAN. 5* LEGACY OTTOMAN. 5* LEVNI HOTEL & SPA 4* LEVNI ISTANBUL. 4* LIKA _ MANESOL BOUTIQUE GALATA _ MARBLE 3* MARITIME _ MARMARAY HOTEL YENIKAPI 4* MATIAT 4* MAY 3* MEGARON 2* MILLENNIUM ISTANBUL GOLDEN HORN 5* MISS ISTANBUL HOTEL & SPA 4* NAUMPASA KONAGI 2* NOVA ROMA _ NOWY EFENDI 4* OLIMPIYAT 3* ORKA ROYAL 4* OZBEKLER 2* PALDE. 5* PALDE. 5* PERA CENTER 4* PERA PALACE 5* POINT HOTEL BARBAROS 5* POINT HOTEL TAKSIM _ PREMIST HOTEL TAKSIM 3* PREMIST SULTANAHMET 3* PRESTIGE 3* PROMISE 3* RADISSON BLU BOSPHORUS 5* RADISSON BLU HOTEL ISTANBUL PERA 5* RADISSON BLU ISTANBUL OTTOMARE 5* RAIMOND 3* RAMADA GRAND BAZAAR. 4* RECITAL. 4* RENAISSANCE ISTANBUL POLAT BOSPHORUS 5* REYDEL _ RIXOS PERA 5* ROMANCE ISTANBUL _ ROSE GARDEN SUITES _ SABENA 3* SAHINLER 3* SAINT SOPHIA 3* SANTA SOPHIA 3* SARNIC 3* SARNIC. S-Class SED 3* SENATUS 3* SENYOR GARDEN _ SERENITY _ SEVEN DAYS _ SEVEN HILLS 4* SHERATON ISTANBUL CITY CENTER 5* SKALION HOTEL & SPA 4* SOFITEL ISTANBUL TAKSIM _ SOGUT 3* SOKULLU PASA 4* SORRISO DUE 4* SULTAN HOUSE 4* SULTANAHMET CESME 3* SULTANIA 5* SUMENGEN 4* SUN COMFORT 3* SURA HAGIA SOPHIA 5* SURA HAGIA SOPHIA. 5* SWISSOTEL THE BOSPHORUS 5* TAYHAN 3* THE AND HOTEL (T) 3* THE BYZANTIUM 4* THE BYZANTIUM. S-Class THE GALATA HOTEL MGALLERY BY SOFITEL _ THE GALATAPORT 3* THE GOLDEN HORN SIRKECI 4* THE GREAT FORTUNE. 4* THE LAILA 3* THE LOLA 2* THE MARMARA PERA 4* THE MARMARA TAKSIM 5* THE PEAK _ THE PERAPORT _ THE TIME ISTANBUL 4* TITANIC CITY TAKSIM 4* TIYATRO OLD CITY _ TREND 4* VENERA 4* VIVA _ VIZYON CITY 3* VOGUE SUPREME ISTANBUL 5* YASMAK COMFORT 1* YASMAK SULTAN 4* YIGITALP. 4* YILSAM SULTANAHMET _ YUKSEL ISTANBUL YENIKAPI 4* YUSUF PASA KONAGI Boutique ZANADU _ ZURICH 4* ZURICH 4* ZURICH HOTEL ISTANBUL. 4*