The Olympic Stadium of Athens "Spyros Louis" is a sports stadium in Marousi, in the north section of Athens, Greece. With a total capacity of 75,000, it is the largest sports venue in Greece. It is a part of the Athens Olympic Sports Complex (OAKA) and is named after the first modern Olympic marathon gold medalist in 1896, Spyros Louis. The stadium served as the main stadium during the 2004 Summer Olympics and the 2004 Summer Paralympics, including the opening and closing ceremonies. It is the current home ground of Panathinaikos for UEFA competition matches.