Certificated
HILTON GARDEN INN İSTANBUL GOLDEN HORN
HILTON GARDEN INN KOCAELİ ŞEKERPINAR
Hilton İstanbul Bomonti Hotel & Conference Center
Hilton İstanbul Bosphorus
HISTORIA HOTEL
HISTORY HOTEL
HOLIDAY INN ISTANBUL AIRPORT
HOLIDAY INN ISTANBUL CITY
HOLIDAY INN İSTANBUL KADIKÖY
HOLIDAY INN İSTANBUL OLD CITY
HOLIDAY INN ISTANBUL SISLI
HOTEL GRAND WASHINGTON
HOTEL KONAK
HOTEL LES OTTOMANS
HOTEL MYDORA
HOTEL SUADİYE
HOUSEZ SUITES & APARTMENTS
HYATT CENTRIC LEVENT İSTANBUL
HYATT REGENCY ISTANBUL ATAKOY
İBİS HOTEL İSTANBUL
İBİS OTEL ESKİŞEHİR
İBİS OTEL HAVA LİMANI ANKARA
İBİS STYLES TAKSİM
İĞNEADA RESORT HOTEL