Olympiacos is a football club that's based in Piraeus, Greece. Competing in the Superleague Greece, the team has built a history of excellence and heated rivalries since it was founded in 1925. One Greece's most successful football clubs Olympiacos boasts a record number of Super League, Greek Cup and Greek Super Cup trophies. It is also consistently features in the UEFA Champions League, but is yet to lay its hand on the trophy. The most storied rivalry is with the Panathinaikos, its counterpart in the "derby of the eternal enemies."