3* INDIA CLASSIC ISTANBUL 3* BOUTIQUE A LA SOFIA HOTEL 3* A PLUS RESIDENCE 3* ACRA HOTEL 4* ADA HOMES APART HOTEL TAKSIM 3* ADAHAN DeCAMONDO PERA - AUTOGRAPH COLLECTION HOTELS 4* ADALYA ELITE LARA 5* ADALYA OCEAN DELUXE 5* ADALYA RESORT&SPA 5* ADAM & EVE 5* ADORA HOTEL 3* AGAN HOTEL 3* AJWA HOTEL SULTANAHMET 5* AKGUN HOTEL 5* AKKA ALINDA 5* AKKA HOTELS SUITES 3* AKKA LUSH HOTEL 4* AKYILDIZ HOTEL 3* ALBATROS HAGIA SOPHIA HOTEL 3* ALBATROS PREMIER HOTEL 4* ALDEM HOTEL S-Class ALFA HOTEL 3* ALL SEASONS HOTEL 4* ALMINA HOTEL 4* ALMINA INN HOTEL 3* ALPINN HOTEL 4* ALPINN HOTEL DUE 3* ALZER HOTEL 4* AMARA LUXURY RESORT HOTEL 5* AMBER HOTEL 3* AMIRAL PALACE 4* ANTEA PALACE & SPA 4* ANTIK HOTEL 4* ANTIK IPEK HOTEL 2* ANTIS HOTEL 4* ANTUSA DESIGN HOTEL 4* ANTUSA PALACE HOTEL & SPA 4* APRILIS DELUXE HOTEL 4* APRILIS GOLD HOTEL 4* APRILIS HOTEL 4* AQUAWORLD BELEK [AQUAMPHTL] 5* ARDEN CITY HOTEL 4* ARINNA GUEST HOUSE APART APT ARMADA HOTEL 4* ARMAGRANDI SPINA HOTEL SULTANAHMET 4* ARMAS GUL BEACH HOTEL 4* ARMAS KAPLAN PARADISE HOTEL 5* ART CITY HOTEL 3* ARTEFES HOTEL SULTANAHMET 3* ARUNA HOTEL BTQ ASITANE LIFE HOTEL 3* ASKOC HOTEL 4* ASMALI PERA HOTEL S-Class ASPEN HOTEL ISTANBUL 3* ASPERA HOTEL GOLDEN HORN 4* ATIK PALACE HOTEL 3* ATLANTIS ROYAL HOTEL ISTANBUL 3* ATRO HOTEL S-Class AVICENNA HOTEL 4* AYBAR HOTEL 4* BALPETEK HOTEL S-Class BARCELO ISTANBUL 5* BARIN HOTEL 3* BASILEUS HOTEL 3* BAYOU VILLAS BY LARA BARUT COLLECTION [BAYOU] 5* BAZAAR HOTELS OLD CITY S-Class BEETHOVEN PREMIUM 4* BEETHOVEN SENFONI 4* BEKDAS DELUXE HOTEL 4* BELLIS DELUXE HOTEL 5* BENDER HOTEL BTQ BENLER HOTEL 3* BERCE HOTEL BTQ BERGAMA HOTEL 3* BEST HOUSE HOTEL 3* BEST NOBEL HOTEL 2 AKSARAY ISTANBUL 3* BEST WESTERN EMPIRE PALACE HOTEL 4* BEYAZIT PALACE HOTEL 4* BIRBEY HOTEL 3* BISETUN HOTEL S-Class BIZ CEVAHIR HOTEL SULTANAHMET 4* BLACK BIRD HOTEL 4* BLACK TULIP HOTEL 4* BLUE HOUSE HOTEL 3* BLUE ISTANBUL HOTEL 3* BLUE ISTANBUL HOTEL TAKSIM 3* BLUE MARMARAY LALELI 3* BOUTIQUE SAINT SOPHIA 4* BUDO HOTEL 3* BUHARA APART HOTEL OLD CITY 2* BUKE HOTEL 4* BUKE HOTEL BOMONTI ISTANBUL 4* BURDOCK HOTEL ISTANBUL, AUTOGRAPH COLLECTION S-Class BUSINESS LIFE BOUTIQUE HOTEL BTQ BYOTELL 5* CALISTA LUXURY RESORT 5* CARVAN HOTEL 3* BOUTIQUE CATCH HOTEL SULTANAHMET 4* CELAL AGA KONAGI 5* CELAL SULTAN HOTEL 4* CENTRUM HOTEL 3* CHER HOTEL BEYOGLU 5* CIHANGIR HOTEL 3* CIHANGIR PALACE HOTEL 3* CITY CENTER HOTEL 4* CLARION HOTEL GOLDEN HORN HOTEL 4* CLUB HOTEL SERA 5* CLUB MEGA SARAY 5* CLUB PRIVE BY RIXOS BELEK 5* COMFORT LIFE HOTEL 4* CONCEPT NISANTASI HOTELS & SPA (Ex. Walton Hotels & Spa) 4* CONRAD ISTANBUL HOTEL 5* CONSTANTINOPOLIS HOTEL 3* CORENDON PLAYA KEMER 5* CRONTON DESIGN HOTEL BTQ CROWN PLAZA ISTANBUL - ORTAKOY BOSPHORUS 5* CROWNE PLAZA ISTANBUL FLORYA 5* CROWNE PLAZA ISTANBUL HARBIYE 5* CROWNE PLAZA LALELI OLD CITY 5* CSK THE HALICH PORT ISTANBUL S-Class CULLINAN BELEK [CULLINAN] 5* Deluxe CVK PARK BOSPHORUS HOTEL 5* CVK PARK PRESTIGE SUITES 5* DAIMA BIZ HOTEL 5* DALAN HOTEL LALELI 3* DANIS HOTEL ISTANBUL 4* DARA HOTEL 4* DARKHILL HOTEL 4* DARKMEN HOTEL 3* DARU SULTAN HOTELS GALATA 5* DE MAREE HOTEL 3* DeCAMONDO GALATA, A TRIBUTE PORTFOLIO HOTEL - BANQUE BUILDING 4* DEDEMAN ISTANBUL 5* DELTA HOTEL 3* DELUXE GOLDEN HORN 4* DELUXE NEWPORT HOTEL 3* DEMIRAY HOTEL 5* DIVALIS HOTEL S-Class DIVAN ISTANBUL HOTEL 5* DIVANI ALI HOTEL 4* DIVAS HOTEL SULTANAHMET 3* DOBEDAN BEACH RESORT COMFORT SIDE 5* DORA PERA HOTEL 4* DOSSO DOSSI HOTELS GOLDEN HORN 4* DOSSO DOSSI HOTELS OLD CITY SULTANAHMET 4* DOSSO DOSSI HOTELS YENIKAPI 3* DOSSO DOSSI HOTELS&SPA DOWNTOWN 5* DOSSO DOSSO HOTELS LALELI 3* DOUBLE TREE BY HILTON ISTANBUL MODA 5* DOUBLETREE BY HILTON PIYALEPASA 5* DUNDAR HOTEL SPA 3* EDIBE SULTAN HOTEL 3* ELA EXCELLENCE RESORT BELEK 5* ELITE WORLD ASIA 5* ELITE WORLD ISTANBUL HOTEL 5* ELITE WORLD PRESTIGE HOTEL 4* ELYSIUM STYLES TAKSIM 4* ENDICAN BEYAZIT HOTEL 4* ENDICAN SULTANAHMET HOTEL BTQ ERBOY HOTEL 3* ESANS HOTEL 3* EUROSTARS HOTEL OLD CITY 4* EVSEN HOTEL 3* FORS HOTEL 3* FREYA LUXURY HOTEL S-Class FUAT BEY PALACE HOTEL BTQ GEDIKPASA KONAGI 3* GENOVA HOTEL 4* GEZI BOSPHORUS HOTEL 5* GLEAM COLLECTION HOTEL 5* GLORIA GOLF RESORT 5* Deluxe GLORIA SERENITY RESORT 5* Deluxe GLORIA VERDE RESORT 5* GOLDEN AGE HOTEL 4* GOLDEN CROWN HOTEL 3* GOLDEN HORN SIRKECI HOTEL 4* GOOD NIGHT HOTEL 3* GRAND ANKA 4* GRAND ARAS SISLI 4* GRAND BEYAZIT HOTEL 4* Grand Durmaz Hotel 4* GRAND EMIR HOTEL 3* GRAND ESEN HOTEL 3* GRAND HALIC HOTEL 4* GRAND HOTEL DE PERA 4* GRAND HOTEL GULSOY 4* GRAND LIZA HOTEL 3* GRAND MAKEL HOTEL TOPKAPI 5* GRAND MARCELLO HOTEL 4* GRAND MARK HOTEL 3* GRAND NAKI HOTEL 4* GRAND ONS HOTEL 3* GRAND PAMIR HOTEL 3* GRAND PARK LARA 4* GRAND SIRKECI S-Class GRAND WASHINGTON HOTEL 4* GRAND YAVUZ HOTEL 4* GRAZIELLA GOLD HOTEL 4* GREAT FORTUNE CONCEPT HOTEL S-Class GREAT FORTUNE DESING HOTEL 4* GREEN ANKA HOTEL 3* GREENWOOD KEMER RESORT(EX.SHERWOOD GREENWOOD RESORT HOTEL) 4* HAGIA SOFIA MANSIONS ( CURIO COLLECTION BY HILTON ) 5* HALI HOTEL 3* HALIFAKS HOTEL 4* HAMIT HOTEL ISTANBUL S-Class HAMPTON BY HILTON ZEYTINBURNU 4* HAN SUITE HOTEL 3* HHK DOWNTOWN HOTEL 4* HIDDEN HILLS ISTANBUL AIRPORT HOTEL 4* HILTON BOMONTI 5* HILTON ISTANBUL BAKIRKOY 5* HILTON ISTANBUL BOSPHORUS 5* HOLIDAY INN ISTANBUL CITY TOPKAPI 5* HOTEL DENIZ HOUSES 3* HOTEL FEHMI BEY 3* HOTEL LE MIRAGE 4* HOTEL MALKOC 3* HOTEL MEKKE 3* HOTEL MELAS ISTANBUL 5* HOTEL MEVLANA 4* HOTEL MIKLAGORD 3* HOTEL NAUMPASA KONAGI 3* HOTEL SABA 3* HOTEL SOKULLU PASA 4* HOTELLINO ISTANBUL 4* IBIS ISTANBUL AIRPORT S-Class IBIS ZEYTINBURNU 3* ILKAY HOTEL 3* ILKBAL DELUXE HOTEL 4*+ IMAGINE HOTEL ISTANBUL - SPECIAL CATEGORY S-Class INNOVA SULTANAHMET ISTANBUL 4* IPEK PALAS 4* ISHAK PASA 3* ISTANBUL COMFORT HOTEL 3* ISTANBUL HOLIDAY HOTEL 3* Istanbul Palace Hotel 3* ISTANBUL TREND HOTEL 4* JAFF HOTELS NISANTASI 4* JW MARRIOTT HOTEL ISTANBUL MARMARA SEA 5* KALYON HOTEL 4* KARMIR RESORT & SPA 5* KAYA ISTANBUL FAIR CONVENTION 5* KAYA MADRID HOTEL 3* KAYA PALAZZO GOLF RESORT 5* KEMPINSKI HOTEL THE DOME 5* KLAS HOTEL 4* KONAK HOTEL 4* KUMBURGAZ MARIN PRINCESS HOTEL 5* KUMRU HOTEL 2* LADY DIANA HOTEL 4* LALAHAN HOTEL 4* LALELI EMIN HOTEL 3* LARA BARUT COLLECTION 5* LASAGRADA HOTEL 5* LAUSOS PALACE HOTEL SISLI 5* LAZZONI HOTEL 5* LE PETIT PALACE HOTEL 4* LEGACY OTTOMAN HOTEL 5* LEMON RESIDENCE HOTEL 3* LEVNI HOTEL 4*+ LIKA HOTEL 2* LIMAK LIMRA HOTEL&RESORT 5* LOOP HOTEL BOSPHPORUS ISTANBUL S-Class MAGNIFICENT HOTEL KUMKAPI / SULTANAHMET 3* MAHYA HOTEL S-Class MANESOL BOUTIQUE GALATA 4* MARMARAY HOTEL 3* MAXX ROYAL BELEK GOLF RESORT 5* MAXX ROYAL KEMER RESORT 5* MAY HOTEL 3* MEGARON HOTEL 3* MEGASARAY WESTBEACH ANTALYA [MEGWEST] 5* MENALO HOTEL PREMIUM ISTANBUL AIRPORT 4* MERCURE ISTANBUL BOMONTI 5* MERCURE ISTANBUL SIRKECI 4* METROPOLITAN HOTEL TAKSIM 4* MID TOWN HOTEL 4* MIDMAR HOTEL 4* MILENNIUM ISTANBUL GOLDEN HORN 5* MIRAGE PARK RESORT 5* MOTTO BY MULA HOTEL S-Class MOVEMPICK HOTEL GOLDEN HORN 5* MULA HOTEL SULTANAHMET 5* MY ASSOS HOTEL 4* MYDREAM ISTANBUL HOTEL 4* NEX HOTEL ISTANBUL S-Class NG PHASELIS BAY [NGPHAS] 5* Deluxe NIDYA HOTEL GALATAPORT 4* NIPPON HOTEL 4* NOVA PLAZA BOUTIQUE & SPA 4* NOVA PLAZA CRYSTAL 4* NOVA PLAZA ORION 4* NOVA PLAZA PARK HOTEL 4* NOVA PLAZA PERA HOTEL & HAMAM 4* NOVA PLAZA TAKSIM SQUARE 4* NOVOTEL ISTANBUL ZEYTINBURNU 4* NOWY EFENDI HOTEL 4* OCCIDENTAL TAKSIM 4* ORAN HOTEL 4* ORANGE COUNTY ALANYA 5* ORANGE COUNTY BELEK 5* ORANGE COUNTY RESORT HOTEL KEMER 5* ORIENT EXPRESS HOTEL 3* ORIENT OCCIDENT HOTEL ISTANBUL AUTOGRAPH COLLECTION 4* ORKA ROYAL HOTEL 4* ORKA TAKSIM SUITES & HOTEL 4* OTTOMAN'S LIFE DELUXE HOTEL 5* PALAZZO DONIZETTI HOTEL 4* PALDE HOTEL 4* PALOMA FORESTA RESORT&SPA 5* PAPILLON AYSCHA 5* PAPILLON ZEUGMA RELUXURY 5* PELL PALACE HOTEL&SPA 4* PERA LIFE HOTEL S-Class PERA PALACE HOTEL 5* PERA ROSE HOTEL 4* PERA TULIP HOTEL 4* PIERRE LOTI HOTEL 4* PINE BEACH BELEK 5* PIYA SPORT HOTEL 4* PORT NATURE LUXURY RESORT HOTEL 5* PREMIST TAKSIM 3* PRESTIGE HOTEL ISTANBUL 3* PRINCELY SUITES 3* QUEEN'S PARK GOYNUK 5* RADISSON BLU HOTEL ISTANBUL OTTOMARE 5* RADISSON BLU HOTEL SISLI 5* RADISSON BLU ISTANBUL PERA 5* RADISSON HOTEL PRESIDENT BEYAZIT ISTANBUL 4* RAI PREMIUM TEKIROVA (ex.QUEENS PARK TEKIROVA) 5* RAIMOND HOTEL 3* RAMADA BY WYNDHAM ISTANBUL GOLDEN HORN BEYOGLU 4* RAMADA BY WYNDHAM ISTANBUL TAKSIM 4* RAMADA ENCORE BY WYNDHAM ISTANBUL SISLI S-Class RAMADA PLAZA BY WYNDHAM SILIVRI 4* RAVI HOTEL S-Class RAYELIN HOTEL OLD CITY 5* RAYMOND BLUE HOTEL S-Class RAYMOND HOTEL 4* REGNUM CARYA 5* Deluxe RENAISSANCE ISTANBUL POLAT BOSPHORUS HOTEL 5* RENZO HOTEL (ex.ISTANBUL BLUE HOTEL BEYAZIT) S-Class RICHMOND HOTEL 4* RING STONE HOTEL BOSPHORUS 4* RIVA HOTEL NISANTASI 3* RIVA HOTEL TAKSIM 4* RIXOS DOWNTOWN ANTALYA-THE LAND OF LEGENDS FREE EXCESS 5* RIXOS PARK BELEK - THE LAND OF LEGENDS FREE EXCESS 5* RIXOS PERA HOTEL 5* RIXOS PREMIUM HOTEL BELEK 5* RIXOS PREMIUM TEKIROVA SUITES & VILLAS 5* RIXOS PREMIUM TEKIROVA-THE LAND OF LEGENDS FREE EXCESS 5* RIXOS SUNGATE CLUB DIAMOND [RIXCLUDI] 5* RIXOS SUNGATE HOTEL 5* RIXOS TERSANE ISTANBUL 5* Romance Istanbul Hotel BTQ ROOT KARAKOY S-Class ROYAL BOSPHORUS HOTEL 3* ROYAL DIWA TEKIROVA RESORT 5* ROYAL GALATA HOTEL 3* ROYAL HOLIDAY PALACE 5* ROYAL SEGINUS HOTEL 5* ROYAN HAGIA SOPHIA RADISSON INDIVIDUALS CITY HOTEL SABIHA SULTAN HOTEL S-Class SAMIR HOTEL 4* SANASARYAN HAN, A LUXURY COLLECTION HOTEL, ISTANBUL 5* SANTA SOPHIA HOTEL 3* SARNIC HOTEL 4* SARNIC PREMIER 3* SENATUS HOTEL 3* SENSITIVE PREMIUM RESORT&SPA [SENPRE] 5* SERES OLD CITY HOTEL 4* SEVEN DAYS HOTEL ISTANBUL 3* SEVEN HILLS PALACE 4* SHERWOOD EXCLUSIVE KEMER 5* SHINING STAR HOTEL S-Class SIM HOTEL ISTANBUL 3* SIRENE BELEK HOTEL [SIRBEL] 5* SIRKECI MANSION HOTEL 4* SKALION HOTEL & SPA 4* SOFITEL ISTANBUL TAXIM 5* SOGUT HOTEL OLD CITY ISTANBUL 4* SORRISO DUE HOTEL 4* SORRISO HOTEL 4* STAR HOLIDAY HOTEL 3* STONE HOTEL 3* SUENO HOTELS DELUXE HOTEL BELEK 5* SULTAN HAMIT HOTEL BTQ SULTAN HOUSE HOTEL 4* SULTANAHMET LAUSOS HOTEL 4* SULTANAHMET PREMIST 4* SULTANHAN HOTEL 4* SULTANIA HOTEL 4* SUNDANCE HOTEL ISTANBUL 5* SUR HOTEL SULTANAHMET 3* SURA HAGIA SOPHIA HOTEL 5* SUREYYA HOTEL 3* SUSESI LUXURY RESORT 5* SV BUSINESS HOTEL TAKSIM 4* SWISSOTEL THE BOSPHORUS 5* TAXIM HILL 4* TAXIM LOUNGE HOTEL 4* TAXIMTOWN HOTEL 4* TAYHAN HOTEL 3* THE BOSFOR HOTEL 3* THE BYZANTIUM HOTEL 4* THE ELYSIUM ISTANBUL TAKSIM 5* THE GALATA HOTEL MGALLERY 5* THE GALATAPORT HOTEL S-Class THE GREAT FORTUNE HOTEL 4* THE GREEN PARK HOTEL TAKSIM 4* THE GREEN PARK MERTER HOTEL 5* THE HALICH HOTEL ISTANBUL KARAKOY 3* THE LAILA HOTEL 3* THE LAND OF LEGENDS 5* THE LOLA HOTEL 3* THE MARMARA PERA HOTEL 4* THE MARMARA SISLI HOTEL 4* THE MARMARA TAKSIM HOTEL 5* THE MERETTO ISTANBUL OLD CITY 4* THE MERETTO LALELI OLD CITY 3* THE PEAK HOTEL 4* THE PERAPORT HOTEL 4* THE REINA HOTEL 3* THE RITZ CARLTON HOTEL 5* THE WESTIN ISTANBUL NISANTASI S-Class THE X BELEK [THEX] 5* THE ZANADU HOTEL 3* THEODIAN HOTEL 3* TITANIC MARDAN PALACE 5* TITANIC PORT BAKIRKOY 5* TRANSATLANTIK BEACH HOTEL (EX. ASDEM BEACH HOTEL) [ASDEMB] 4* TRANSATLANTIK HOTEL & SPA [TRANSA] 5* TRIA ELEGANCE ISTANBUL HOTEL S-Class TRIA HOTEL 4* TULIP CITY HOTEL 4* UK HOTEL ISTANBUL 3* VENERA HOTEL 4* VENUE HOTEL ISTANBUL OLD CITY 3* VICENZA HOTEL 4* VIZON HOTEL ISTANBUL 3* VOGUE HOTEL ISTANBUL 5* WALTON GARDENS PERA S-Class WALTON HOTELS GALATA 4* WALTON RESIDENCE NISANTASI RESIDENCE WALTON RESIDENCE SISLI RESIDENCE WEINGART HOTEL 3* YAKUT OLD CITY HOTEL 3* YASMAK SULTAN HOTEL 4* YILSAM HOTEL SULTANAHMET 4* YUSUFPASA KONAGI HOTEL 3* ZAGREB HOTEL 4* ZEYNEP SULTAN HOTEL 3* ZURICH HOTEL ISTANBUL 4*