ACRA HOTEL 4* AGAN HOTEL 3* AJWA HOTEL SULTANAHMET 5* AKKA LUSH HOTEL 4* AKKA SUITES 3* ALA SOFIA HOTEL 3* ALBATROS PREMIER HOTEL 4* ALFA HOTEL 4* ALMINA HOTEL & SPA 4* ALMINA INN HOTEL 4* ALPINN HOTEL DUE 4* ALZER HOTEL 4* AMBER HOTEL 4* AMIRAL PALACE 4* ANTEA HOTEL 4* ANTIK HOTEL 4* ANTUSA DESIGN HOTEL & SPA 4* ANTUSA PALACE HOTEL & SPA 4* APRILIS DELUXE 4* APRILIS GOLD HOTEL 4* APRILIS HOTEL 4* ARDEN CITY HOTEL 4* AREN SUITES 4* ARENA HOTEL ISTANBUL 4* ARMAGRANDI SPINA HOTEL 4* ART CITY HOTEL 3* ARTEFES HOTEL 4* ARUNA HOTEL SULTANAHMET 4* ASITANE LIFE HOTEL 3* ATIK PALACE HOTEL 3* ATLANTIS ROYAL HOTEL 3* AVANTGARDE COLLECTION LEVENT 5* AVANTGARDE COLLECTION SISLI 4* AVANTGARDE COLLECTION TAKSIM 4* AVICENNA HOTEL 4* AYBAR HOTEL 4* BALPETEK HOTEL 3* BARIN HOTEL 3* BASILEUS HOTEL 3* BEETHOVEN HOTEL ISTANBUL 4* BEETHOVEN HOTEL PREMIUM 4* BEETHOVEN HOTEL SENFONI 4* BEKDAS HOTEL DELUXE 4* BENLER HOTEL LALELI 3* BERCE HOTEL 3* BERGAMA HOTEL 3* BEST WESTERN EMPIRE PALACE 4* BEYAZIT PALACE HOTEL 4* BISETUN HOTEL 3* BLACK TULIP HOTEL 4* BLUE ISTANBUL HOTEL 3* BLUE ISTANBUL HOTEL TAKSIM 3* BLUE MARMARAY HOTEL LALELI 3* BLUE WORLD HOTEL 4* BOUTIQUE SAINT SOPHIA ISTANBUL 5* BRAM HOTEL SULTANAHMET 3* BUDO HOTEL 3* BUHARA OLD CITY 3* CARINA GOLD HOTEL 4* CARLTON HOTEL 4* CARVAN HOTEL 3* CATCH HOTEL SULTANAHMET 5* CELAL AGA KONAGI METRO HOTEL 5* CELAL SULTAN HOTEL 4* CENTRUM HOTEL 3* CIHANGIR PALACE 4* CITY CENTER HOTEL TAKSIM 4* COMFORT LIFE HOTEL 4* CONCEPT HOTEL NISANTASI & SPA (EX.WALTON NISANTASI SPA) 4* CONRAD ISTANBUL BOSPHORUS 5* CONSTANTINOPOLIS HOTEL 3* CRONTON DESIGN HOTEL 4* CROWNE PLAZA ISTANBUL FLORYA 5* CROWNE PLAZA ISTANBUL HARBIYE 5* CROWNE PLAZA OLD CITY 5* CVK PARK BOSPHORUS HOTEL ISTANBUL 5* DANIS HOTEL ISTANBUL 4* DARA HOTEL 3* DARKHILL HOTEL 4* DARKMEN HOTEL 3* DARU SULTAN HOTELS GALATA 5* DE MAREE HOTEL 3* DEDEMAN ISTANBUL 5* DELTA HOTEL ISTANBUL 4* DELUXE GOLDEN HORN HOTEL 4* DELUXE NEWPORT HOTEL 3* DEMIRAY HOTEL 5* DEMPA HOTEL 3* DIAMOND ROYAL HOTEL 4* DIVALIS HOTEL 4* DIVAN ISTANBUL 5* DIVANI ALI HOTEL 4* DIVAS HOTEL 3* DOSSO DOSSI DOWNTOWN & SPA 5* DOSSO DOSSI GOLDEN HORN 4* DOSSO DOSSI LALELI 4* DOSSO DOSSI OLD CITY - SULTANAHMET 4* DOSSO DOSSI YENIKAPI 4* DOUBLE TREE BY HILTON ISTANBUL SIRKECI 5* DOUBLETREE BY HILTON ISTANBUL TOPKAPI 5* DUNDAR HOTEL 3* ELITE WORLD COMFY (ex. ELITE WORLD PRESTIGE) 4* ELITE WORLD ISTANBUL 5* EMIRHAN INN APARTMENT 3* ENDERUN HOTEL 4* ENDICAN BEYAZIT 4* ENDICAN SULTANAHMET 4* ERBOY HOTEL 4* ERESIN HOTELS SULTANAHMET 5* ERESIN HOTELS TOPKAPI 5* EURO PLAZA HOTEL 4* FAROS OLD CITY 4* FER HOTEL 5* FERONYA HOTEL 4* FEZ INN HOTEL 3* FORS HOTEL 3* FORTUNA - OLD CITY 3* 3* FORTUNA - OLD CITY 4* 4* FORTUNA - OLD CITY 5* 5* FOUR POINTS BY SHERATON ISTANBUL 5* FUAT BEY PALACE 4* GALATA DREAM HOTEL 3* GALATOWER HOTEL 3* GARDEN HOUSE HOTEL (ex ROSE GARDEN SUITES) Boutique GEDIK PASA KONAGI 3* GENOVA HOTEL 4* GLORIOUS HOTEL ISTANBUL 4* GOLDEN AGE HOTEL 4* GOLDEN CROWN HOTEL 3* GOLDEN HILL HOTEL DOWNTOWN 5* GOLDEN HORN SIRKECI 4* GOLDEN SAND HOTEL 3* GRAND BEYAZIT HOTEL 4* GRAND DURMAZ HOTEL 4* GRAND EMIR HOTEL 3* GRAND HALIC HOTEL 4* GRAND LARA HOTEL 3* GRAND LIZA HOTEL 3* GRAND MAKEL HOTEL 5* GRAND MARCELLO HOTEL 4* GRAND ONS HOTEL 3* GRAND PAMIR HOTEL 4* GRAND SIRKECI HOTEL 4* GRAND VATAN HOTEL 3* GRAND WASHINGTON HOTEL 4* GRAND YAVUZ HOTEL 4* GRAZIELLA GOLD HOTEL S-class GREAT FORTUNE DESIGN 4* HALI HOTEL 3* HAMPTON BY HILTON ISTANBUL ZEYTINBURNU 4* HARMONY HOTEL 3* HHK DOWTOWN HOTEL 4* HILTON ISTANBUL BAKIRKOY 5* HILTON ISTANBUL BOMONTI HOTEL & CONFERENCE CENTER 5* HILTON ISTANBUL BOSPHORUS 5* HOTEL ARINNA 3*+ HOTEL EYFEL 3*+ HOTEL SABA ISTANBUL 3* HOTELLINO ISTANBUL 4* IKBAL DELUXE HOTEL 4* ILKAY HOTEL ISTANBUL 3* IMAGINE HOTEL 4* IMMORTELLE HOTEL 3* INNOVA SULTANAHMET 4* IPEK PALAS HOTEL 4* ISTANBUL HAMIT HOTEL LALELI 3* ISTANBUL HOLIDAY HOTEL 3* ISTANBUL ROYAL HOTEL 4* JAFF HOTELS NISANTASI 4* JOYWAY HOTEL 4* KALYON HOTEL ISTANBUL 4* KATE HOTEL SPECIAL CLASS 4* KAYA MADRID HOTEL 3* KAYA ROYAL HOTEL 4* KLAS HOTEL 4* KUNLUN KENSINGTON HOTEL 4* KURAN HOTEL 3* LADY DIANA HOTEL 4* LALAHAN HOTEL 4* LE PETIT PALACE HOTEL 4* LEGACY OTTOMAN HOTEL 5* LEMON RESIDENCE 3* LENUS HOTEL 3* LEVNI HOTEL & SPA 5* LIONEL HOTEL ISTANBUL 5* MAGNIFICENT HOTEL 3* MAHYA HOTEL 3*+ MALKOC HOTEL 3* MANGANA KONAK 4* MANORS HOTEL 4* MARITIME HOTEL ISTANBUL 3* MARMARAY HOTEL YENIKAPI 4* MATIAT HOTEL 4* MAY HOTEL 3* MEGARON HOTEL 3* MERCURE ISTANBUL SIRKECI 4* METROPOLITAN HOTELS BOSPHORUS 5* METROPOLITAN HOTELS TAKSIM 4* MEVLANA BOUTIQUE HOTEL 4* MIDTOWN HOTEL 4* MIKLAGORD HOTEL 3* MILANO HOTEL & SPA 4* MILLENNIUM ISTANBUL GOLDEN HORN 5* MOVENPICK HOTEL ISTANBUL GOLDEN HORN 5* MUKARNAS PERA HOTEL 4* MUKARNAS TAKSIM HOTEL 4* MY ASSOS HOTEL 4* MY DREAM HOTEL 5* NAUMPASA KONAGI HOTEL 4* NEW EMIN HOTEL 4* NIDYA HOTEL GALATAPORT 4* NOVA PLAZA BOUTIQUE & SPA 4* NOVA PLAZA CRYSTAL HOTEL 4* NOVA PLAZA ORION HOTEL 4* NOVA PLAZA PARK TAKSIM 4* NOVA PLAZA PERA 4* NOVA PLAZA TAKSIM SQUARE 4* NOWY EFENDI HOTEL Boutique OLIMPIYAT HOTEL 3* ORAN HOTEL 4* ORIENT EXPRESS HOTEL & SPA BY ORKA HOTELS 4* ORIENTBANK HOTEL AUTOGRAPH COLLECTION 4* ORKA ROYAL HOTEL 4* ORKA TAKSIM SUITES & HOTEL 4* PALAZZO DONIZETTI HOTEL 4* PALDE HOTEL 4* PERA ARYA HOTEL 3* PERULA HOTEL 3* PREMIST HOTELS SULTANAHMET 4* PREMIST HOTELS TAKSIM 4* PRESTIGE HOTEL 3* RADISSON BLU ISTANBUL PERA 5* RAIMOND HOTEL 3* RAMADA BY WYNDHAM ISTANBUL PERA 5* RAMADA ISTANBUL TAKSIM 4* RAMADA PLAZA BY WYNDHAM ISTANBUL SULTANAHMET 5* RAVI HOTEL 4* RAYELIN HOTELS OLD CITY 5* REYDEL HOTEL 3* RIA SUITES BOUTIQUE 4* RIXOS PERA 5* ROMANCE ISTANBUL HOTEL 5* ROOMERS HOTEL NISANTASI 3* ROOT KARAKOY HOTEL 4* ROYAL GALATA HOTEL 4* ROYAN HAGIA SOPHIA RADISSON INDIVIDUALS 5* SANTA SOPHIA HOTEL 3* SARNIC HOTEL 4* SARNIC PREMIER HOTEL 4* SELENAY HOTEL 3* SEMINAL HOTEL 4* SENATUS HOTEL 3* SERES OLD CITY HOTEL 3* SEVEN DAYS HOTEL 3* SHINING STAR HOTEL 3* SIRKECI MANSION 4* SKALION HOTEL & SPA 4* SOFITEL ISTANBUL TAKSIM 5* SOGUT HOTEL & SPA 4* SOKULLU PASA HOTEL 4* SORRISO DUE HOTEL 4* SORRISO HOTEL 4* STANPOLI HOTEL 3* STONE HOTEL ISTANBUL 3* SULTAN HAMIT HOTEL 3* SULTAN MEHMED HOTEL 3* SULTANIA HOTEL 5* SUMENGEN HOTEL 4* SUN COMFORT HOTEL 3* SUR HOTEL 3* SURA HAGIA SOPHIA 5* SUREYYA HOTEL 3* SWISSOTEL ISTANBUL THE BOSPHORUS 5* TAXIM EXPRESS HOTEL 4* TAXIM LOUNGE HOTEL 4* TAXIM TOWN HOTEL 4* TAYHAN HOTEL 3* THE CONFORIUM HOTEL 4* THE GALATA ISTANBUL HOTEL MGALLERY BY SOFITEL 5* THE GIFT HOTEL 4* THE LAILA HOTEL 3* THE LOLA HOTEL 3* THE MARMARA PERA 5* THE MARMARA SISLI 4* THE MARMARA TAKSIM 5* THE MERETTO HOTEL ISTANBUL 4* THE MERETTO HOTEL LALELI 3* THE MILLION STONE HOTEL 4* THE PERAPORT HOTEL 3* THE REINA HOTEL 3* THE RITZ-CARLTON ISTANBUL 5* THEODIAN HOTEL 3* TRIA HOTEL 4* TULIP CITY HOTEL 4* TURVAN HOTEL 3* URANUS ISTANBUL TOPKAPI HOTEL 5* VATAN ASUR HOTEL 4* VENERA HOTEL 4* VICENZA HOTEL 4* VICTORY HOTEL & SPA 4* VIZYON CITY 3* VOGUE HOTEL SUPREME ISTANBUL 5* WEINGART HOTEL 4* WYNDHAM ISTANBUL OLD CITY 5* YASMAK SULTAN HOTEL 4* YILSAM SULTANAHMET HOTEL 4* YUSUF PASA KONAGI HOTEL 4* ZAGREB HOTEL 4* ZANADU ISTANBUL 3* ZEM HOTEL 3* ZEYNEP SULTAN HOTEL 3* ZURICH HOTEL 4*