The Olympic Stadium of Athens "Spyros Louis" (, Olympiakó Stádio Athinon "Spyros Louis") is a sports stadium in Athens, Greece. It is a part of the Athens Olympic Sports Complex and is named after the first modern Olympic marathon gold medalist in 1896, Spyros Louis. The stadium used to host some of the biggest sport clubs in Greece like Panathinaikos, Olympiacos and AEK Athens. The stadium served as the main stadium during the 2004 Summer Olympics. History Located in the area of Marousi in Athens, the stadium was originally designed in 1980 and built in 1980–1982. It was completed in time to host the 1982 European Championships in Athletics. It was inaugurated by the President of Greece at the time, Konstantinos Karamanlis, on 8 September 1982. One year later, in 1983, OAKA Stadium hosted the 1983 European Cup Final between Hamburger SV and Juventus (1-0). In 1987, the stadium hosted the 1986–87 European Cup Winners' Cup final between Ajax and Lokomotiv Leipzig (1-0). Olympic stadium is an UEFA category four stadium and is the largest stadium in Greece. In 1994, OAKA Stadium hosted their second 1994 UEFA Champions League Final, this time contested between AC Milan and Barcelona (4-0). It also hosted several events of the 1991 Mediterranean Games and the 1997 World Championships in Athletics, sought in order to prove that it was capable of hosting major sporting events after the failure of Athens to win the 1996 Summer Olympics but successfully hosting the 2004 Summer Olympics. It was extensively renovated in time for the 2004 Summer Olympics and the 2004 Summer Paralympics, including a roof designed by Santiago Calatrava, and innovatively positioned with Enerpac hydraulics. The roof was added atop the sidelines and completed just in time for the opening of the Games. The stadium was then officially re-opened on 30 July 2004. It hosted the athletics events and the football finals at the Olympics and the athletics at the Paralympics. It also hosted the opening ceremony on 13 August 2004, and the closing ceremony on 29 August 2004 along the paralympics ceremonies on 17 and 28 September. In 2007, OAKA Stadium hosted the 2007 UEFA Champions League Final between AC Milan and Liverpool (2-1). The stadium's attendance was reduced to 72,000 for the Olympics, the initial capacity was some 75,000, though only 69,618 seats were made publicly available for the track and field events and slightly more