Athletic Club Sparta Praha, commonly known as Sparta Prague, is a football club based in Prague. It is the most successful club in the Czech Republic and one of the most successful in central Europe, winning the central European Cup (also known as the Mitropa Cup) three times as well as having reached the semi-finals of the European Cup (now the UEFA Champions League) in 1992 and the UEFA Cup Winners' Cup in 1973. Sparta have won a record 36 domestic league titles, the Czech Cup (formerly Czechoslovak Cup) 27 times, also a record, and the Czech Supercup twice. Sparta play at Prague's Generali Česká pojišťovna Arena, also known as Letná Stadium.