In which city is the football club Galatasaray based?

Explanation

Galatasaray Spor Kulübü (Galatasaray SK) is a Turkish football club in Istanbul. The club was founded in 1905 and is one of the most successful clubs in Turkish football. In 2000, Galatasaray won the UEFA Cup after a 4-1 victory in the final over English club Arsenal FC. Galatasaray plays its home matches at Türk Telekom Arena (2011). The old legendary stadium, Ali Sami Yen, has now been demolished.