ACER CAVE HOTEL 4* ACRA HOTEL 4* ADEN HOTEL CAPPADOCIA 3* AGAN HOTEL 3* AJA CAPPADOCIA HOTEL 3* AJWA CAPPADOCIA 5* AKGUN ISTANBUL HOTEL 5* AKKA LUSH TAKSIM 4* AKKA SUITES TAKSIM HOTEL N/A ALA SOFIA HOTEL 3* ALBATROS HAGIA SOPHIA HOTEL 4* ALBATROS PREMIER HOTEL 4* ALDEM HOTEL 2* ALFA HOTEL 3* ALIA CAVE HOTEL 3* ALL SEASONS HOTEL 4* ALMINA HOTEL 4* ALMINA INN HOTEL 2* AMBER HOTEL ISTANBUL 4* ANADOLU HOTEL 3* ANATOLIAN HOUSES 4* ANTEA PALACE HOTEL 4* ANTUSA DESIGN HOTEL&SPA 4* ANTUSA PALACE HOTEL 4* APRILIS DELUXE HOTEL 4* APRILIS GOLD HOTEL 4* APRILIS HOTEL 4* ARDEN CITY HOTEL 4* ARDEY HOTEL 3* AREN SUITES 3* ARENA HOTEL 4* ARMADA ISTANBUL OLD CITY 4* ART KARAKOY SUITES HOTEL 3* ARTEFES HOTEL 3* ASKOC HOTEL 4* ASLAN APARTMENTS N/A ASLAN HOUSES CIHANGIR 3* ASPERA GOLDEN HORN HOTEL 4* ASSIANA CAVE HOUSE 2* ASUR HOTEL 3* ATIK PALACE HOTEL 3* ATLANTIS ROYAL HOTEL 3* AVANTGARDE HOTEL SISLI 4* AVANTGARDE HOTEL TAKSIM 4* AVICENNA HOTEL 4* AYBAR HOTEL 4* BARCELO ISTANBUL HOTEL 5* BARIN HOTEL 3* BASILEUS HOTEL N/A BEETHOVEN HOTEL ISTANBUL 3* BEETHOVEN PREMIUM HOTEL 3* BEETHOVEN SENFONI HOTEL 4* BEETHOVEN SUIT HOTEL 3* BENDER HOTEL N/A BENLER HOTEL 3* BERCE HOTEL 3* BEST NOBEL HOTEL 3* BEST WESTERN EMPIRE PALACE HOTEL 4* BEYAZIT PALACE HOTEL 4* BISETUN HOTEL 3* BIZ CEVAHIR HOTEL SULTANAHMET 4* BLACK TULIP HOTEL 4* BLUE ISTANBUL HOTEL 3* BULVAR PALAS HOTEL 4* BURDOCK HOTEL ISTANBUL 5* CAPPADOCIA ESTATES 4* CAPPADOCIA OLD HOUSES HOTEL S CARINA GOLD HOTEL N/A CARTOON HOTEL 4* CARVAN HOTEL 3* CATCH HOTEL SULTANAHMET S CAVE KONAK HOTEL 3* CELAL SULTAN HOTEL 4* CENTRUM HOTEL 3* CHEYA HOTEL BESIKTAS 3* CIHANGIR HOTEL 3* CIHANGIR PALACE HOTEL 4* CIP HOTEL BAKIRKOY 4* CITY CENTER HOTEL 4* CLARION HOTEL GOLDEN HORN 4* COMFORT LIFE HOTEL 4* CONCEPT NISANTASI HOTELS & SPA 4* CONRAD ISTANBUL BOSPHORUS 5* CONSTANTINOPOLIS HOTEL 3* CRONTON DESIGN HOTEL S CROWNE PLAZA FLORYA 5* CROWNE PLAZA HARBIYE 5* CROWNE PLAZA OLD CITY 5* CVK PARK BOSPHORUS HOTEL 5* DALAN HOTEL LALELI 3* DANIS HOTEL 4* DARA OLD CITY HOTEL 3* DARKHILL HOTEL 4* DARKMEN HOTEL 3* DARU SULTAN HOTEL 5* DE MAREE HOTEL ISTANBUL 3* DELTA HOTEL ISTANBUL 4* DELUXE GOLDEN HORN HOTEL 4* DEMIRAY HOTEL 3* DERE SUITES 4* DINLER HOTEL URGUP 5* DIVAN ISTANBUL 5* DIVAS HOTEL 3* DOORS OF CAPPADOCIA 4* DORA PERA HOTEL 4* DOSSO DOSSI HOTEL DOWN TOWN 5* DOSSO DOSSI HOTEL GOLDEN HORN 4* DOSSO DOSSI HOTEL LALELI N/A DOSSO DOSSI HOTEL OLD CITY 4* DOSSO DOSSI HOTEL YENIKAPI 4* DOUBLETREE BY HILTON AVANOS CAPPADOCIA 5* DOUBLETREE BY HILTON PIYALEPASA 5* DOUBLETREE BY HILTON TOPKAPI 4* DREAMS CAVE HOTEL 4* DUNDAR HOTEL & SPA 3* DUVEN HOTEL CAPPADOCIA 3* EA EXCLUSIVE HOTEL 3* EDIBE SULTAN HOTEL 3* EDITION OLD CITY HOTEL 4* ELEVRES STONE HOUSE 4* ELIKA CAVE SUITES 5* ELITE WORLD COMFY HOTEL 4* ELITE WORLD ISTANBUL TAKSIM 5* ELYSIUM STYLES TAKSIM 4 4* EMIN KOCAK HOTEL N/A ENDICAN BEYAZIT HOTEL N/A ENDICAN SULTANAHMET HOTEL S ERBOY HOTEL 3* ERESIN HOTEL SULTANAHMET 5* ERESIN TOPKAPI HOTEL 5* ERGUVAN HOTEL 4* EVSEN HOTEL 3* FAIRMONT QUASAR ISTANBUL 5* FAROS HOTEL TAKSIM 4* FER HOTEL 4* FERONYA HOTEL 4* FORS HOTEL 3* FOUR SEASONS ISTANBUL AT THE SULTANAHMET 5* FRACER PLACE ANTHILL ISTANBUL 5* FRESCO CAVE SUITES & MANSIONS 4* FREYA LUXURY HOTEL 4* FUAT BEY PALACE HOTEL N/A GALATOWER HOTEL 3* GALLEY HOTEL 3* GARDEN HOUSE ISTANBUL 4* GARDEN INN CAPPADOCIA S GEDIKPASA KONAGI 3* GENOVA HOTEL 3* GEZI HOTEL BOSPHORUS 5* GLEAM COLLECTION HOTEL 5* GOLDEN AGE HOTEL ISTANBUL 4* GOLDEN CITY HOTEL ISTANBUL 4* GOLDEN CROWN HOTEL 3* GOLDEN HORN SIRKECI 4* GOLDEN ROYAL HOTEL N/A GRAND ANATOLIA HOTEL 3* GRAND ARAS HOTEL & SUITES ISTANBUL 4* GRAND BEYAZIT HOTEL 4* GRAND DURMAZ HOTEL 4* GRAND EMIN HOTEL 3* GRAND EMIR HOTEL 3* GRAND HALIC HOTEL 4* GRAND HOTEL DE PERA 4* GRAND HYATT ISTANBUL HOTEL 5* GRAND MAKEL HOTEL 5* GRAND MARK HOTEL 3* GRAND NAKI HOTEL 4* GRAND PAMIR HOTEL 3* GRAND SIRKECI HOTEL 3* GRAND WASHINGTON HOTEL 4* GRAND YAVUZ HOTEL 4* GRAZIELLA GOLD HOTEL 4* GREAT FORTUNE DESIGN HOTEL&SPA 4* GREAT FORTUNE HOTEL 4* HAGIA SOFIA MANSIONS 5* HALI HOTEL 3* HAMIT OTEL ISTANBUL LALELI 4* HAMPTON BY HILTON ARNAVUTKOY 4* HAS CAVE KONAK S HELIKE CAVE HOTEL 3* HIDDEN HILLS HOTEL ISTANBUL AIRPORT 4* HILTON ISTANBUL BAKIRKOY 5* HILTON ISTANBUL BOMONTI 5* HILTON ISTANBUL BOSPHORUS 5* HOLIDAY INN ISTANBUL CITY 5* HOLIDAY INN ISTANBUL TUZLA BAY 3* HOTEL BERGAMA ISTANBUL 3* HOTEL ILKAY 3* HOTEL LE MIRAGE OSMANBEY 4* HOTEL LIZA 3* HOTEL RAVI 4* HOTEL SAINT SOPHIA 4* HOTEL SULTANHILL 3* HOTELLINO ISTANBUL 4* HYATT REGENCY ISTANBUL ATAKOY 5* IBIS HOTEL ISTANBUL ZEYTINBURNU 3* IBIS ISTANBUL SISLI 4* IMAGINE HOTEL 4* IMPERIAL CAVE SUITES & SPA HOTEL 2* INNOVA SULTANAHMET ISTANBUL HOTEL 4* IPEK PALAS HOTEL 4* ISG AIRPORT HOTEL 4* ISTANBUL EFES HOTEL 3* ISTANBUL HOLIDAY HOTEL 3* ISTANBUL MARRIOT PENDIK 5* ISTANBUL TREND HOTEL 4* JW MARRIOT ISTANBUL BOSPHORUS 5* JW MARRIOTT MARMARA SEA HOTEL 5* KALYON HOTEL ISTANBUL 4* KAYA MADRID HOTEL 3* KAYAKAPI PREMIUM CAVES 5* KEMERHAN CAVE SUITES S KLAS HOTEL 4* KONAK HOTEL TAKSIM 4* LA MAISON DU REVE CAPPADOCIA S LADY DIANA HOTEL 4* LALAHAN HOTEL 4* LALELI GONEN HOTEL 3* LAZZONI HOTEL 5* LEGACY OTTOMAN HOTEL 5* LES MAISONS DE CAPPADOCE 4* LEVNI HOTEL ISTANBUL 5* LORD OF CAPPADOCIA 4* MAGIC CAVE HOUSE 3* MALKOC HOTEL 3* MANESOL GALATA HOTEL 4* MANESOL OLD CITY BOSPHORUS HOTEL 4* MARBLE HOTEL 3* MARTINENZ HOTEL 4* MEGARON HOTEL 3* MEKKE HOTEL 3* MELEKLER EVI CAVE HOTEL 3* MENALO HOTEL PREMIUM 4* MERCURE HOTEL ISTANBUL BOMONTI 5* MERCURE ISTANBUL WEST HOTEL & CONVENTION CENTER 5* METROPOLITAN HOTEL BOSPHORUS 5* METROPOLITAN HOTEL TAKSIM 4* MEVLANA HOTEL SULTANAHMET 4* MIDMAR HOTEL 4* MIDTOWN HOTEL 4* MIKLAGORD HOTEL 2* MILLENIUM ISTANBUL GOLDEN HORN HOTEL 5* MILLSTONE CAVE SUITES 4* MIRA CAPPADOCIA HOTEL 3* MITHRA CAVE HOTEL 4* MONARK HOTEL CAPPADOCIA 4* MOSAIC HOTEL 4* MOTTO BY MULA HOTEL 3* MR CAS HOTELS - SPECIAL CLASS N/A MUKARNAS PERA HOTEL 4* MUKARNAS TAKSIM HOTEL 4* MULA HOTEL 5* MY DREAM HOTEL 4* NAUMPASA KONAGI 3* NEW EMIN HOTEL 4* NEX HOTEL ISTANBUL 4* NIDYA HOTEL GALATAPORT 4* NIPPON HOTEL 4* NOVA PLAZA CRYSTAL HOTEL 4* NOVA PLAZA HOTEL BOUTIQUE & SPA 4* NOVA PLAZA ORION HOTEL 4* NOVA PLAZA PARK TAKSIM 4* NOVA PLAZA PERA HOTEL 4* NOVA PLAZA PRIME HOTEL 5* NOVA PLAZA TAKSIM SQUARE 4* NOVOTEL ISTANBUL ZEYTINBURNU 4* NOWY EFENDI HOTEL 4* OBELISK HOTEL&SUITES 3* OCCIDENTAL TAKSIM HOTEL 4* OLD GREEK HOUSE S ORAN HOTEL 4* ORIENT EXPRESS HOTEL 3* ORIENT MINTUR HOTEL 3* ORIENTBANK HOTEL ISTANBUL S ORKA ROYAL HOTEL 4* OTTOMANS LIFE HOTEL DELUXE N/A PALDE HOTEL & SPA 4* PERA PALACE HOTEL 5* PERISTYLE CAVE CAPPADOCIA S PORT BOSPHORUS HOTEL 4* PRESTIGE HOTEL ISTANBUL 3* PULLMAN ISTANBUL HOTEL 5* RADISSON BLU HOTEL ISTANBUL OTTOMARE 5* RADISSON BLU SISLI HOTEL 5* RAIMOND HOTEL 3* RAMADA BY WYNDHAM ISTANBUL GOLDEN HORN 4* RAMADA BY WYNDHAM ISTANBUL PERA 4* RAMADA ISTANBUL GRAND BAZAAR 4* RAMADA PLAZA BY WYNDHAM SULTANAHMET HOTEL N/A RAYELIN HOTEL OLD CITY N/A RECITAL HOTEL 4* RECITAL PARK HOTEL 3* REGARD HOTEL 3* RENAISSANCE POLAT BOSPHORUS HOTEL 5* RENAISSANCE POLAT HOTEL BAKIRKOY 5* RENZO HOTEL 3* REYDEL HOTEL ISTANBUL 2* RIA SUITES HOTEL 4* RICHMOND ISTANBUL 4* RING STONE HOTEL BOSPHORUS 4* RIXOS PERA ISTANBUL 5* RIXOS TERSANE ISTANBUL 5* ROCA CAPPADOCIA HOTEL S ROMA CAVE SUITE 4* ROMANCE ISTANBUL HOTEL 3* ROMANTIC CAVE HOTEL S ROOT KARAKOY HOTEL 4* ROTTA HOTE(EX.RETAJ ROYALE) 4* ROX HOTEL 4* ROYAN HOTEL HAGIA SOPHIA 5* SACRED HOUSE 3* SAMIR HOTEL 4* SANASARYAN HAN HOTEL 5* SANTA SOPHIA HOTEL 3* SARNIC HOTEL 4* SARNIC PREMIER HOTEL 4* SELENAY HOTEL 3* SENATUS HOTEL 3* SERAPHIM CAVE CAPPADOCIA 4* SERES HOTEL 3* SEVEN HILLS PALACE HOTEL 4* SHANGRI-LA BOSPHORUS ISTANBUL 5* SIM HOTEL 3* SIRKECI MANSION HOTEL 4* SKALION HOTEL & SPA 4* SOGUT HOTEL 3* SOKULLU PASA HOTEL 4* SORRISO DUE HOTEL 4* SORRISO HOTEL 4* STAR HOLIDAY HOTEL 3* STONE HOTEL ISTANBUL 3* SULTAN HAMIT HOTEL 3* SULTAN HOUSE HOTEL 4* SULTANAHMET CESME HOTEL 3* SULTANIA HOTEL 4* SUN COMFORT HOTEL 3* SURA HAGIA SOPHIA HOTEL & SPA 5* SUREYYA HOTEL 3* SWISSOTEL THE BOSPHORUS ISTANBUL 5* TAKSIM GONEN HOTEL 4* TAXIM EXPRESS HOTEL 4* TAYHAN HOTEL 3* THE AND HOTEL 3* THE BIANCHO HOTEL PERA 4* THE BIANCHO OLD CITY 2* THE BOSFOR HOTEL 3* THE BYZANTIUM HOTEL 4* THE ELYSIUM TAKSIM 5 5* THE GALATA ISTANBUL HOTEL MGALLERY 5* THE HALICH HOTEL KARAKOY 4* THE LAILA HOTEL 3* THE LOLA HOTEL 3* THE MARMARA PERA 4* THE MARMARA SISLI 4* THE MARMARA TAKSIM 5* THE MERETTO HOTEL ISTANBUL 4* THE MERETTO HOTEL LALELI 3* THE PARMA HOTEL 4* THE PERAPORT HOTEL 3* THE REINA HOTEL 3* THE RITZ CARLTON HOTEL 5* THE STAY BOULEVARD NISANTASI 5* THE STAY HOTEL BOSPHORUS 4* THE STAY NISANTASI 4* THE TIME HOTEL OLD CITY 4* THE WEST IN ISTANBUL NISANTASI 5* THE ZANADU HOTEL 3* TITANIC PORT BAKIRKOY 5* TRIA HOTEL ISTANBUL 4* UCHISAR KAYA HOTEL 4* URGUP CAVE SUITES HOTEL N/A VAKKO HOTEL AND RESIDANCE 4* VENERA HOTEL 4* VICENZA HOTEL 4* VICTORY HOTEL & SPA 4* VIZYON CITY HOTEL 3* VOGUE SUPREME ISTANBUL 5* WALTON GARDENS PERA HOTEL N/A WALTON HOTEL GALATA 4* WALTON RESIDENCE SISLI 4* WYNDHAM GRAND ISTANBUL LEVENT 5* WYNDHAM ISTANBUL OLDCITY 5* YASMAK SULTAN HOTEL 4* YIGITALP HOTEL 4* YUNAK EVLERI CAPPADOCIA CAVE HOTEL 4* YUSUFPASA KONAGI 3* ZAGREB HOTEL 4* ZEYNEP SULTAN HOTEL 3* ZURICH HOTEL 4*