Doubletree by hilton hotel istanbul tuzla is in an ideal location for your business and vacation needs the business and trade centers of the asian side of istanbul such as the gebze industry area tubitak free zone and the tuzla shipyard and marina are minutes away take a short drive to the historic and entertaining sights of ballikayalar caves darica zoo and eskihisar castle this historic hotel in istanbul features french architecture and is surrounded by 72 000 sq meters of green space