A LA SOFIA HOTEL 3* ACANTHUS & CENNET BARUT COLLECTION 5* ACRA HOTEL 4* ADAHAN DECAMONDO PERA 4* AGAN HOTEL 3* AJWA HOTEL SULTANAHMET 5* AKGUN ISTANBUL 5* AKKA HOTELS SUITES 3* AKKA LUSH HOTEL 4* AKRA KEMER (EX. KEMER BARUT COLLECTION) 5* AKRA SORGUN TUI BLUE SENSATORI (EX. TUI BLUE SENSATORI BARUT SORGUN) 5* AKYILDIZ HOTEL 3* ALBATROS HAGIA SOPHIA HOTEL 3* ALBATROS PREMIER HOTEL 4* ALDEM HOTEL SPECIAL ALEXIA RESORT & SPA HOTEL 5* ALFA HOTEL 3* ALL SEASONS HOTEL 4* ALMINA HOTEL 4* ALMINA INN HOTEL 3* ALZER HOTEL 4* AMARA PREMIER PALACE 5* AMBER HOTEL ISTANBUL 3* AMIRAL PALACE 4* ANADOLU HOTEL Boutique ANTEA PALACE HOTEL & SPA 4* ANTIK HOTEL 4* ANTIQUE ROMAN PALACE 5* ANTIS HOTEL SULTANAHMET 4* ANTUSA DESIGN HOTEL & SPA 4* ANTUSA PALACE HOTEL 4* APRILIS DELUXE HOTEL 4* APRILIS HOTEL 4* AQUAWORLD BELEK by MP HOTELS 5* ARDEN CITY HOTEL 4* ARINNA GUEST HOUSE APART Aprt ARMADA HOTEL OLD CITY 4* ARMAGRANDI SPINA HOTEL 5* ARNOR DELUXE HOTEL&SPA 5* ART CITY HOTEL 3* ART EFES HOTEL 3* ARTS HOTEL ISTANBUL SPECIAL ARTS HOTEL TAKSIM 4* ARUM BARUT COLLECTION 5* ARUNA HOTEL Boutique ASITANE LIFE HOTEL 3* ASKOC HOTEL 4* ASLAN RESIDENCE SPECIAL ASMALI PERA HOTEL SPECIAL ASPEN HOTEL ISTANBUL 3* ASPERA HOTEL GOLDEN HORN 4* ATIK PALACE HOTEL 3* ATLANTIS ROYAL HOTEL 3* AVICENNA HOTEL 4* AYBAR HOTEL 4* BALPETEK HOTEL SPECIAL BARCELO ISTANBUL 5* BARIN HOTEL 3* BARUT B SUITES 4* BARUT GOIA 5* BARUT HEMERA 5* BARUT LARA COLLECTION 5* BASILEUS HOTEL 3* BAZAAR HOTELS OLD CITY SPECIAL BEETHOVEN PREMIUM HOTEL 4* BEETHOVEN SENFONI 4* BEKDAS HOTEL DELUXE & SPA 4* BENDER HOTEL Boutique Benler 3* BERCE HOTEL Boutique BEST WESTERN EMPIRE PALACE 4* BEYAZIT PALACE HOTEL 4* BILEK HOTEL ISTANBUL 4* BISETUN HOTEL SPECIAL BLUE ISTANBUL HOTEL 3* BLUE ISTANBUL HOTEL TAKSIM 3* BLUE MARMARAY HOTEL LALELI 3* BOMONTI ARJAAN BY ROTANA SPECIAL BOUTIQUE SAINT SOPHIA ISTANBUL 4* BUDO HOTEL 3* BUHARA APART HOTEL OLD CITY 2* BURDOCK HOTEL ISTANBUL, AUTOGRAPH COLLECTION SPECIAL BUSINESS LIFE BOUTIQUE HOTEL Boutique CARINA GOLD HOTEL SPECIAL CARVAN HOTEL Boutique CATCH HOTEL SULTANAHMET 4* CELAL SULTAN HOTEL 4* CENTRUM HOTEL 3* CHEYA DELUXE RESIDENCE NISANTASI 4* CHEYA GUMUSSUYU HOTEL 4* CHEYA HOTEL BESIKTAS 3* CIHANGIR HOTEL 3* CIHANGIR PALACE 5* CITY CENTER HOTEL TAKSIM 4* CLARION HOTEL GOLDEN HORN 4* CLUB APERION BEACH HOTEL HV-2 CLUB HOTEL TURAN PRINCE WORLD 5* COMFORT LIFE HOTEL 4* CONCORDE DE LUXE RESORT 5* CONCORDIA CELES HOTEL. 5* CONRAD ISTANBUL BOSPHORUS 5* CONSTANTINOPOLIS HOTEL 3* CROWNE PLAZA ISTANBUL HARBIYE 5* CROWNE PLAZA OLD CITY 5* CRYSTAL CENTRO RESORT&SPA 5* CRYSTAL DE LUXE RESORT & SPA 5* CRYSTAL PALACE LUXURY RESORT & SPA 5* CVK PARK BOSPHORUS 5* CVK PARK PRESTIGE SUITES 5* DALAN HOTEL 3* DANIS HOTEL ISTANBUL 4* DARA HOTEL 4* DARKHILL HOTEL 4* DARU SULTAN HOTELS GALATA 5* DE MAREE HOTEL 3* DECAMONDO GALATA 4* DEDEMAN ISTANBUL 5* DELTA HOTEL 3* DELUXE GOLDEN HORN HOTEL 4* DELUXE NEWPORT HOTEL 3* DEMIRAY HOTEL 5* DENIZ HOUSES ISTANBUL 3* DIAMOND BEACH HOTEL & SPA 5* DIAMOND ELITE HOTEL & SPA 5* DIAMOND PREMIUM HOTEL & SPA 5* DIVAN ISTANBUL 5* DIVANI ALI HOTEL 4* DIVAS HOTEL 3* DORA PERA HOTEL 4* DOSSO DOSSI DOWNTOWN 5* DOSSO DOSSI HOTELS GOLDEN HORN 4* DOSSO DOSSI HOTELS LALELI 3* DOSSO DOSSI HOTELS OLD CITY-SULTANAHMET 4* DOSSO DOSSI HOTELS YENIKAPI 3* DOUBLE TREE BY HILTON ISTANBUL MODA 5* DOUBLETREE BY HILTON HOTEL ISTANBUL - PIYALEPASA 5* DUNDAR HOTEL & SPA 3* EDIBE SULTAN HOTEL 3* ELITE WORLD COMFY HOTEL 4* ELITE WORLD GRAND ISTANBUL KUCUKYALI 5* ELITE WORLD ISTANBUL 5* ELYSIUM STYLES TAKSIM 4* ENDICAN BEYAZIT HOTEL 4* ENDICAN SULTANAHMET HOTEL Boutique ENDLESS ART HOTEL SPECIAL ERBOY HOTEL 3* ERESIN HOTELS SULTANAHMET 4* ERESIN HOTELS TOPKAPI 5* ESANS HOTEL 3* FORS HOTEL 3* Fraser Place Anthill Istanbul 5* FREYA HOTEL SPECIAL FUAT BEY PALACE Boutique GALATOWER HOTEL (Ex.The Galataport Hotel) SPECIAL GEDIKPASA KONAGI HOTEL 3* GEZI HOTEL BOSPHORUS 5* GLEAM BOMONTI HOTEL 4* GLEAM COLLECTION HOTEL 5* GOLDEN AGE HOTEL 4* GOLDEN CROWN HOTEL 3* GOLDEN LOTUS HOTEL 4* GRAND ARAS HOTEL & SUITES 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 LIZA HOTEL 3* GRAND MAKEL HOTEL 5* GRAND MARK HOTEL 3* GRAND NAKI HOTEL 4* GRAND PAMIR HOTEL 3* Grand Park Lara 5* GRAND SIRKECI HOTEL 4* GRAND VATAN HOTEL 3* GRAND WASHINGTON HOTEL 4* GRAND YAVUZ HOTEL 4* GRAZIELLA GOLD HOTEL 4* GREAT FORTUNE DESIGN HOTEL 4* GREEN ANKA HOTEL 3* GYPSOPHILA CLUB MARINE 5* HAGIA SOFIA MANSIONS ISTANBUL 5* HALI HOTEL 3* HAMIT HOTEL ISTANBUL SPECIAL HAYDARPASHA PALACE 5* HHK DOWNTOWN HOTEL 4* HIDDEN HILLS ISTANBUL AIRPORT HOTEL 4* HILTON ISTANBUL BAKIRKOY 5* HILTON ISTANBUL BOMONTI HOTEL 5* HILTON ISTANBUL BOSPHORUS 5* HOLIDAY INN ISTANBUL CITY 5* HOTEL BLACK TULIP 4* HOTEL EVSEN 3* HOTEL LE MIRAGE 4* HOTEL MALKOC 3* HOTEL MEKKE 3* HOTEL MEVLANA 4* HOTEL PIYA SPORT 4* HOTEL TURAN PRINCE 5* HOTELLINO SIRKECI 4* IBIS ISTANBUL SISLI 4* IBIS STYLES ISTANBUL MERTER HOTEL 5* ILKAY HOTEL 3* ILKBAL DELUXE HOTEL 4*+ IMAGINE HOTEL ISTANBUL - SPECIAL CATEGORY SPECIAL INNOVA SULTANAHMET HOTEL 4* INNVISTA HOTELS BELEK. 5* IPEK PALAS HOTEL 4* ISHAK PASA PALACE BY SIGNATURE HOTELS 3* ISTANBUL HOLIDAY HOTEL 3* Istanbul Palace Hotel 3* JADORE DELUXE HOTEL & SPA 5* JUSTINIANO CLUB ALANYA 4* JUSTINIANO PARK CONTI 5* JUSTINIANO RESORT HOTEL 5* JW MARRIOTT HOTEL ISTANBUL MARMARA SEA 5* KALYON HOTEL ISTANBUL 4* KAYA MADRID HOTEL 3* KIRMAN ARYCANDA DE LUXE. 5* KIRMAN HOTELS BELAZUR RESORT & SPA 5* KIRMAN HOTELS CALYPTUS RESORT&SPA 5* KIRMAN HOTELS SIDEMARIN BEACH & SPA 5* KIRMAN LEODIKYA DELUXE RESORT 5* KIRMAN SIDERA LUXURY & SPA HOTEL 5* KLAS HOTEL 4* KLEOPATRA MICADOR HOTEL 4* KONAK HOTEL TAKSIM 4* KUMRU HOTEL 2* LA VIDA HOTEL (ex. Divalis Hotel) SPECIAL LADY DIANA HOTEL 4* LALAHAN HOTEL 4* LASAGRADA HOTEL. 5* LAUSOS HOTEL SULTANAHMET 4* Lausos Palace Hotel 5* LAZZONI HOTEL 5* LE MERIDIEN ISTANBUL ETILER. 5* LE PETIT PALACE HOTEL 4* LE PORT HOTEL SPECIAL LEGACY OTTOMAN HOTEL 5* LEVNI HOTEL 4*+ LIU RESORT 5* LOCEANICA BEACH RESORT HOTEL 5* LOOP HOTEL BOSPHPORUS ISTANBUL SPECIAL LYKIA WORLD & LINKS GOLF 5* MAGIC SUN HOTEL 4* MAGNIFICENT HOTEL 3* MAHYA HOTEL SPECIAL MANESOL BOUTIQUE GALATA HOTEL 4* MANGANA KONAK HOTEL 4* MANORS HOTEL SPECIAL MARCELLO HOTEL 3* MAY HOTEL 3* MEGARON HOTEL 3* MERCURE ISTANBUL BOMONTI HOTEL 5* MERLIN HOTEL 4* METROPOLITAN HOTEL TAKSIM 4* MIDMAR DELUXE HOTEL 4* MIDTOWN HOTEL 4* MIKLAGORD HOTEL 3* MILLENNIUM ISTANBUL GOLDEN HORN 5* MIRACLE RESORT HOTEL 5* MIRAMARE BEACH HOTEL 5* MOTTO BY MULA HOTEL SPECIAL MOVENPICK HOTEL GOLDEN HORN 5* MR CAS HOTELS 4* MUKARNAS SPA & RESORT 5* MULA HOTEL SULTANAHMET 5* MY ASSOS HOTEL 4* MY DREAM ISTANBUL HOTEL 4* MYSEA HOTELS ALARA 4* MYSEA HOTELS INCEKUM 4* NAUMPASA KONAGI 3* NEW EMIN HOTEL 3* NEW INN HOTEL OLD TOWN SPECIAL NEX HOTEL ISTANBUL SPECIAL NIDYA HOTEL GALATAPORT 4* NIPPON HOTEL 4* NIRVANA COSMOPOLITAN 5* NOVA PLAZA BOUTIQUE & SPA 4* NOVA PLAZA CRYSTAL 4* NOVA PLAZA ORION HOTEL 4* NOVA PLAZA PARK TAKSIM 4* NOVA PLAZA PERA 4* NOVA PLAZA PRIME HOTEL 5* NOVA PLAZA TAKSIM SQUARE 4* NOWY EFENDI HOTEL 4* OCCIDENTAL TAKSIM 4* ORANGE COUNTY RESORT HOTEL BELEK 5* ORANGE COUNTY RESORT KEMER +18 5* ORIENT EXPRESS HOTEL 3* ORIENT OCCIDENT HOTEL ISTANBUL AUTOGRAPH COLLECTION 4* ORIENTBANK HOTEL ISTANBUL City Hotel ORKA ROYAL HOTEL 4* ORKA TAKSIM SUITES & HOTEL 4* OTTOMANS LIFE DELUXE HOTEL 5* PALDE HOTEL&SPA 4* PERA LIFE HOTEL SPECIAL PERA PALACE HOTEL 5* PERA ROSE HOTEL 4* PERA TULIP HOTEL 4* POINT HOTEL TAKSIM 5* PORT NATURE LUXURY RESORT HOTEL & SPA 5* PREMIST TAKSIM HOTEL 3* PRESTIGE HOTEL 3* RADISSON BLU HOTEL ISTANBUL OTTOMARE 5* RADISSON BLU HOTEL ISTANBUL PERA 5* RADISSON HOTEL PRESIDENT BEYAZIT ISTANBUL 4* RAIMOND HOTEL 3* RAMADA BY WYNDHAM ISTANBUL GOLDEN HORN 4* RAMADA BY WYNDHAM ISTANBUL GRAND BAZAAR 4* RAMADA BY WYNDHAM ISTANBUL PERA (Ex. The Peak Hotel) 4* RAMADA BY WYNDHAM ISTANBUL TAKSIM 4* RAMADA ENCORE BY WYNDHAM ISTANBUL AIRPORT 4* RAMADA HOTEL & SUITES BY WYNDHAM ISTANBUL MERTER 5* RAVI HOTEL SPECIAL RAYMAR RESORT & AQUA HOTEL 5* Raymond Blue Hotel SPECIAL RAYMOND HOTEL 4* RENZO HOTEL SPECIAL RICHMOND ISTANBUL 4* RING STONE HOTEL BOSPHORUS 4* RING STONE OLD CITY HOTEL SPECIAL RIOS BEACH CLUB 4* RIVA HOTEL NISANTASI 3* RIVA HOTEL TAKSIM 4* RIXOS PERA 5* RIXOS TERSANE ISTANBUL 5* ROMANCE ISTANBUL HOTEL Boutique ROOT KARAKOY HOTEL SPECIAL ROYAL BOSPHORUS HOTEL 3* ROYAN HAGIA SOPHIA RADISSON INDIVIDUALS City Hotel SABIHA SULTAN HOTEL SPECIAL SAINT STAR HOTELS & SPA 4* Samir Hotel 4* SANASARYAN HAN, A LUXURY COLLECTION HOTEL, ISTANBUL 5* SANTA SOPHIA HOTEL 3* SAPHIR HOTEL & VILLAS 5* SAPHIR RESORT & SPA HOTEL 5* SARNIC HOTEL 4* SARNIC PREMIER 3* SCYLAX FAMILY CLUB 4*+ SENATUS HOTEL 3* SENSITIVE PREMIUM RESORT & SPA 5* SENZA GARDEN HOLIDAY CLUB (EX.LARISSA HILL BEACH) 5* SENZA GRAND SANTANA 5* SENZA THE INN RESORT & SPA 5* SEVEN DAYS HOTEL 3* SEVEN HILLS PALACE HOTEL 4* SIDE ALEGRIA HOTEL & SPA. 5* SIDE MOON PALACE HOTEL 5* SIDEKUM HOTEL 5* SIM HOTEL ISTANBUL 3* SIMENA COMFORT HOTEL 5* 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* STAR HOLIDAY HOTEL 3* STONE HOTEL 3* SULTAN HAMIT HOTEL Boutique SULTANAHMET CESME HOTEL 3* SULTANAHMET PREMIST HOTEL 4* Sultania Hotel 4* SUMENGEN HOTEL 5* SUR HOTEL SULTANAHMET 3* SURA HAGIA SOPHIA HOTEL 5* SUREYYA HOTEL 3* SV BUSINESS HOTEL TAKSIM 4* SWISSOTEL ISTANBUL THE BOSPHORUS 5* TAXIMTOWN HOTEL 4* TAYHAN HOTEL 3* THE ARTISAN ISTANBUL MGALLERY 4* THE BIANCHO HOTEL OLD CITY 4* THE BOSFOR HOTEL (ex. Grand Bosfor Hotel) 3* THE BYZANTIUM HOTEL ISTANBUL 4* THE ELYSIUM ISTANBUL 5* THE GALATA ISTANBUL HOTEL-MGALLERY 5* THE GRAND TARABYA 5* THE LAILA HOTEL 3* THE LOLA HOTEL 3* THE MARMARA PERA 4* THE MARMARA SISLI 4* THE MARMARA TAKSIM 5* THE MERETTO HOTEL LALELI 3* THE MERETTO ISTANBUL OLD CITY 4* THE PERAPORT HOTEL 4* THE RAGA SIDE 5* THE REINA HOTEL 3* THE RITZ CARLTON 5* THE X BELEK 5* THE ZANADU HOTEL 3* THEODIAN HOTEL 3* TRIA ELEGANCE ISTANBUL HOTEL SPECIAL TRIA HOTEL 4* TUI BLUE BARUT ANDIZ ADULTS ONLY 16+ 4* TULIP CITY TAKSIM HOTEL 4* VENUE HOTEL ISTANBUL OLD CITY 3* VIKING STAR HOTEL 5* VIZYON CITY HOTEL 3* VOGUE HOTEL SUPREME ISTANBUL 5* WALTON GARDENS PERA HOTEL SPECIAL WALTON HOTELS GALATA 4* WALTON RESIDENCE NISANTASI RESIDENCE WALTON RESIDENCE SISLI RESIDENCE WEINGART HOTEL 3* WYNDHAM ISTANBUL OLD CITY (Ex. Celal Aga Konagi Hotel) 5* YAKUT OLD CITY HOTEL 3* YASMAK SULTAN HOTEL 4* YILSAM SULTANAHMET HOTEL 4* YUSUFPASA KONAGI 3* Zagreb Hotel 4* ZEYNEP SULTAN HOTEL 3* ZURICH HOTEL 4*