Certificated
10 KARAKÖY, A MORGANS ORIGINAL (BALIKLI ÖZEL KONAKLAMA TESİSİ)
ADAMAR HOTEL
ALZER HOTEL
ANTEA HOTEL
ARENA HOTEL
ATAMAN UÇHİSAR KAYA HOTELİ
AVICENNA HOTEL
BEST WESTERN CITADEL SPECIAL
BEST WESTERN EMPIRE PALACE HOTEL
CARUS CAPPADOCIA
CELAL SULTAN
DARUSSAADE İSTANBUL HOTEL
DİVAN BODRUM
FAROS HOTEL İSTANBUL
FOUR SEASONS SULTANAHMET HOTEL
FUATPAŞA HOTEL
GERMİR PALAS HOTEL
GOLDENKEY BÖRDÜBET
GÖREME KAYA HOTEL
HISTORIA HOTEL
HOUSEZ SUITES & APARTMENTS
HYATT CENTRIC LEVENT İSTANBUL
KARİYE HOTEL
KEMPINSKI RESIDENCE HOTEL ASTORIA
