Galatasaray Sports Club’s new Istanbul football stadium is located on the European side of the Turkish metropolis. The stadium will belong to the prestigious UEFA Five Star/Elite Stadium category. It holds 52,230 spectators; VIP facilities include 150 sky-boxes. The stadium features a retractable roof – the first of its kind in Turkey – and a 3,000 vehicle underground garage. The topography of the sloped site with a level difference of up to 60 meters from one end to the other posed a particular challenge. Special foundation measures were necessary – especially for the large “super-columns” that support the roof structure. Construction work is well underway. Opening is scheduled for the end of 2010.