Istanbul Airport → Radisson Collection Vadistanbul Istanbul Airport to Radisson Collection Vadistanbul, a fixed price and a chauffeur at the gate Radisson Collection Vadistanbul sits inside the Vadistanbul development in Ayazağa, on the northern edge of the business district near Maslak. It is the closest hotel on this list to Istanbul Airport and one of the simplest arrivals in the city — almost the entire route is motorway