A PLUS RESIDENCE 3* ABEL 3* ACRA _ ADA _ AGAN 3* AGORA LIFE 4* AKGUN ISTANBUL 5* ALA SOFIA HOTEL _ ALBATROS PREMIER 4* ALDEM HOTEL 2* ALMINA 4* ALMINA INN BEYAZIT 3* ALPINN 4* ALPINN HOTEL DUE 4* ALZER _ AMBER 3* AMIRAL PALACE 4* ANADOLU _ ANTEA PALACE HOTEL SPA _ ANTHEMIS 4* ANTIK 4* ANTIS 4* ANTUSA DESIGN HOTEL & SPA Boutique APRILIS DELUXE _ APRILIS GOLD HOTEL 4* APRILIS HOTEL 4* ARDEN CITY 4* AREN SUITES _ ARENA 4* ARMADA OLD CITY 4* ART CITY 3* ARUNA 4* ASITANE LIFE 3* ASKOC 4* ASPEN 3* ATLANTIS ROYAL 3* AVICENNA 4* BALPETEK 3* BARCELO 5* BEETHOVEN 3* BEETHOVEN HOTEL & SUITE 3* BEETHOVEN PREMIUM 3* BEETHOVEN SENFONI 4* BEKDAS HOTEL DELUXE 4* BENLER HOTEL LALELI _ BERCE 3* BERGAMA 3* BEST WESTERN EMPIRE PALACE 4* BEYAZIT PALACE _ BIRBEY 3* BLACK BIRD 4* BLACK TULIP _ BLUE ISTANBUL 3* BLUE ISTANBUL HOTEL TAKSIM _ BLUE WORLD _ BRAM HOTEL SULTANAHMET _ BUDO 3* BUYUK HAMIT 4* CARVAN 3* CATCH HOTEL SULTANAHMET _ CELAL AGA KONAGI 5* CELAL SULTAN 4* CIHANGIR _ CITY CENTER HOTEL TAKSIM 4* CLARION HOTEL MAHMUTBEY 5* COMFORT LIFE HOTEL _ CONSTANTINOPOLIS 3* CROWNE PLAZA OLD CITY 5* CVK PARK BOSPHORUS 5* DALAN HOTEL 3* DARA 3* DARKHILL 4* DARKMEN _ DARU SULTAN HOTELS GALATA 4* DE MAREE _ DELTA 3* DELUXE GOLDEN HORN 4* DELUXE NEW PORT 3* DEMPA _ DIVAN 5* DIVAS 3* DOSSO DOSSI DOWNTOWN 5* DOSSO DOSSI GOLDEN HORN 4* DOSSO DOSSI LALELI 3* DOSSO DOSSI OLD CITY 4* DOSSO DOSSI YENIKAPI _ DOUBLETREE BY HILTON SIRKECI 4* DUNDAR 3* EDIBE SULTAN HOTEL 3* ENDICAN BEYAZIT _ ENDICAN SULTANAHMET _ EPHESUS _ ERBOY 4* ERESIN HOTEL SULTANAHMET _ ERESIN TOPKAPI 5* EUROSTARS HOTEL OLD CITY 4* EVSEN (ADULT ONLY) 3* FAROS HOTEL OLD CITY 4* FERMAN HOTEL OLD CITY 4* FERMAN PORT _ FERONYA 4* FEZ INN _ FORS. 3* FORTUNA - OLD CITY 3* FORTUNA - OLD CITY 4* FORTUNA - OLD CITY 5* FOUR-G 3* FUAT BEY PALACE _ GALLEY _ GARDEN HOUSE HOTEL _ GEDIK PASA KONAGI 3* GENOVA 4* GERMIR PALAS (T) _ GEZI HOTEL BOSPHORUS 5* GLORIOUS HOTEL ISTANBUL 4* GOLDEN CITY 4* GOLDEN CROWN 3* GOLDEN HORN SIRKECI 4* GOLDEN SAND 3* GRAND ANT 3* GRAND DURMAZ 4* GRAND EMIR 3* GRAND HILARIUM 4* GRAND LIZA 3* GRAND MAKEL TOPKAPI _ GRAND MARK 3* GRAND ONS. 3* GRAND PAMIR _ GRAND SAGCANLAR 3* GRAND SIRKECI 4* GRAND YAVUZ 4* GRAZIELLA GOLD _ GREAT FORTUNE DESIGN 4* HALI 3* HARMONY HOTEL ISTANBUL 3* HERMANOS _ HILTON ISTANBUL BOMONTI & CONFERENCE CENTER 5* HOTEL CENTRUM 3* HOTELLINO 4* ILKAY 3* ILKBAL DELUXE 4* IMAGINE 4* IPEK PALACE 2* JAFF _ KALYON 4* KAYA MADRID 3* KLAS 4* LADY DIANA 4* LAUSOS 4* LE PETIT PALACE 4* LEGACY OTTOMAN. 5* LEMON RESIDENCE 3* LENUS _ LEVNI HOTEL & SPA 4* LIKA _ MALKOC 3* MANGANA KONAK 4* MARMARAY HOTEL YENIKAPI 4* MARTINENZ 3* MATIAT 4* MAY 3* MEGARON 2* MEKKE _ METROPOLITAN TAKSIM _ MIDTOWN 4* MIKLAGORD 2* MILANO 3* MULA _ MY ASSOS 4* MY DREAM ISTANBUL _ NAYLA PALACE HOTEL 2* NEW EMIN 3* NIDYA GALATAPORT _ NOVA PLAZA CRYSTAL 4* NOVA PLAZA ORION _ NOVA PLAZA PERA 4* NOWY EFENDI 4* OCCIDENTAL TAKSIM _ OLIMPIYAT 3* ORAN 4* ORIENT EXPRESS 3* ORKA ROYAL 4* ORKA TAKSIM SUITES & HOTEL 4* OTTOMANS LIFE DELUXE 5* OTTOPERLA 4* PALAZZO DONIZETTI HOTEL 4* PALDE. 5* PORT BOSPHORUS HOTEL 5* PRESTIGE 3* RADISSON HOTEL PRESIDENT BEYAZIT 4* RAMADA BY WYNDHAM ISTANBUL GRAND BAZAAR _ RAMADA BY WYNDHAM ISTANBUL OLD CITY 4* RAMADA ISTANBUL TAKSIM 4* RAMADA PLAZA BY WYNDHAM ISTANBUL SULTANAHMET 5* RAMADA PLAZA BY WYNDHAM ISTANBUL TEKSTILKEN _ RAVI _ RECITAL 4* REGARD HOTEL 4* RETAJ ROYALE ISTANBUL _ ROMANCE ISTANBUL _ ROYAN RADISSON HAGIA SOPHIA 5* SAHINLER 3* SANTA SOPHIA 3* SARNIC 4* SARNIC PREMIER 3* SELENAY 3* SENATUS 3* SENYOR GARDEN _ SERES OLD CITY 4* SEVEN DAYS _ SEVEN HILLS PALACE _ SHINING STAR 4* SIM _ SIRKECI MANSION 4* SKALION HOTEL & SPA 4* SOGUT 4* SOKULLU PASA 4* SORRISO 4* SORRISO DUE 4* STANPOLI _ STONE 3* SULTAN HAMIT _ SULTAN HOUSE 4* SULTAN MEHMED _ SULTANAHMET CESME 3* SULTANIA 5* SUMENGEN 4* SUN COMFORT 3* SUNRISE _ SUR HOTEL 3* SURA HAGIA SOPHIA 5* SUREYYA 3* SWISSOTEL THE BOSPHORUS 5* TAXIM EXPRESS HOTEL 4* TAXIM TOWN 4* TAYHAN 3* THE AND HOTEL (T) 3* THE BYZANTIUM 4* THE CITY 4* THE GALATA HOTEL MGALLERY 5* THE GALATAPORT 3* THE LAILA 3* THE LOLA 2* THE MERETTO 3* THE PEAK _ THE PERAPORT _ THE REINA _ THEODIAN 3* TILIA 4* TREND 4* TURIZOOM _ TURVAN 3* ULUBAT CASTLE 3* URANUS ISTANBUL TOPKAPI 5* VATAN ASUR _ VENERA 4* VIZYON CITY 3* WEINGART HOTEL _ YASMAK SULTAN 4* YILSAM SULTANAHMET _ YUKSEL ISTANBUL YENIKAPI 4* ZAGREB 4* ZANADU _ ZEM _ ZEYNEP SULTAN _ ZURICH 4*