10 KARAKOY 4* ABEL 3* ACRA _ AJWA HOTEL SULTANAHMET 5* AJWA HOTELS 5* AKGUN ISTANBUL 5* ALL SEASONS 4* ALMINA 4* ALZER _ AMBER 3* AMIRAL PALACE 4* ANTIS 4* ARENA 4* ARMADA 4* ASKOC 4* AVICENNA 4* AVICENNA 4* AYA SULTAN 4* AYASOFYA _ BARIN 3* BAZAAR 3* BEKDAS HOTEL DELUXE 4* BERGAMA 3* BERGAMA 3* BEST WESTERN ANTEA PALACE 4* BEST WESTERN EMPIRE PALACE 4* BEYAZ SARAY 4* BUDO 3* BUDO 3* BULVAR PALAS 4* BUYUK SAHINLER 4* BUYUK SAHINLER 4* CELAL AGA KONAGI 5* CELAL AGA KONAGI 5* CROWN PLAZA ISTANBUL OLD CITY (ex.Wyndham Old City) 5* CVK TAKSIM 4* DARA 3* DELUXE GOLDEN HORN 4* DELUXE NEW PORT 3* DENIZ HOUSES 3* DIANA HOTEL 3* DIVAS HOTEL 3* DOSSO DOSSI OLD CITY 4* EDIBE SULTAN HOTEL 3* ELITE WORLD ISTANBUL 5* EMIN HOTEL LALELI 3* FEHMI BEY 3* FER HOTEL 5* FORS. 3* GEDIK PASA KONAGI 3* GLORIOUS HOTEL ISTANBUL 4* GOLDEN CROWN HOTEL 3* GOLDEN HILL 4* GOLDEN HORN _ GRAND BOSFOR 3* GRAND BOSFOR 3* GRAND EMIN 4* GRAND LIZA HOTEL 3* GRAND MARCELLO 4* GRAND MARK 3* GRAND MILAN 3* GRAND ONS. 3* GRAND OZTANIK 4* GRAND WASHINGTON 4* GRAND WASHINGTON 4* GRAND YAVUZ 4* GRAND YAVUZ 4* HALI 3* HALI 3* HARBIYE RESIDENCE 3* HISTORIA HOTEL 3* IKBAL DE LUXE 4* INNOVA SULTANAHMET 4* KENT 4* KLAS 4* KUNLUN 3* KUPELI 3* LAUSOS 4* LEGACY OTTOMAN. 5* LEVNI HOTEL & SPA 4* LIBERTY _ MANESOL BOUTIQUE GALATA _ MARTINENZ 3* MATIAT 4* MISS ISTANBUL HOTEL & SPA 4* NANDA 3* NOWY EFENDI 4* OLIMPIYAT 3* ORAN 4* ORIENT EXPRESS 3* ORIENT MINTUR 3* ORKA ROYAL 4* ORTAKOY PRINCESS 5* OTTOMANS LIFE DELUXE 5* PALDE. 5* PIERRE LOTI 4* PRESTIGE 3* RAIMOND 3* SABENA 3* SARNIC 3* SARNIC PREMIER 3* SIM _ SKALION HOTEL & SPA 4* SORRISO 4* SORRISO DUE 4* STAR HOLIDAY 3* STONE 3* SULTANAHMET NEWPORT 3* SULTANIA 5* SULTANS INN 3* SUREYYA 3* TAXIM HILL 4* TAYHAN 3* THE AND HOTEL (T) 3* THE BYZANTIUM 4* THE CITY 4* THE GOLDEN HORN SIRKECI 4* THE MERETTO 3* THE TIME ISTANBUL 4* TILIA 4* TOPKAPI 3* TOPKAPI INTER ISTANBUL 4* TRIA ISTANBUL 4* ULUBAT 3* VERSION 3* VICENZA 4* YASMAK SULTAN 4* YIGITALP 4* YILSAM Boutique YUKSEL ISTANBUL YENIKAPI 4* YUSUF PASA KONAGI Boutique YUSUF PASA KONAGI Boutique ZURICH 4*