 Complete the following phrase:  Located in the area of Marousi in Athens, the stadium was originally designed in 1980 and built in 19801982. 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 198687 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 Grecce. 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 