Turk Telekom Stadium (officially known as the Ali Sami Yen Spor Kompleksi – Turk Telekom Stadyumu) is a football stadium serving as the home ground of the Super Lig club Galatasaray S.K. It is located in the Seyrantepe quarter of the Sariyer district, on the European side of Istanbul, Turkey. The all-seater stadium has the capacity to host 52,223 spectators during football games. The stadium is part of the Ali Sami Yen Sports Complex.
Turk Telekom Stadium was the first stadium in Turkey that met the UEFA Euro 2016 requirements during the country's bid to host the European Championship. In 2011, Turk Telekom Stadium was one of the six nominees for the Venue of the Year and New Venue categories of the Stadium Business Awards. Galatasaray S.K. won the Super Lig in the first season at Turk Telekom Stadium. Turk Telekom Stadium and Galatasaray S.K. were mentioned in the first chapter of Tom Clancy's 2012 novel Threat Vector.