[['AEK Athens F.C.', 'LEAGUE', 'Superleague Greece'], ['Superleague Greece', 'CHAMPIONS', 'Olympiacos F.C.'], ['Olympic Stadium (Athens)', 'LOCATION', 'Marousi'], ['AEK Athens F.C.', 'GROUND', 'Olympic Stadium (Athens)']]
The ground for AEK Athens FC is the Olympic Stadium (Athens) located in Marousi. The club competes in the Superleague Greece which was previously won by Olympiacos FC.