The Atatürk Olympic Stadium () is a sports stadium in Istanbul, Turkey. It has a seating capacity of 76,092. This makes it the biggest stadium in the country. Building began on the stadium in 1997. It was completed in 2002. It mostly plays host to football matches. It is the home stadium of the Turkey national football team, and formerly to Galatasaray, Beşiktaş and İstanbul Başakşehir.