aek_athens_fc | league | superleague_greece <tsp> superleague_greece | champions | olympiacos_fc <tsp> aek_athens_fc | manager | gus_poyet <tsp> gus_poyet | club | real_zaragoza <tsp> gus_poyet | club | chelsea_fc <sep> aek athens football club (greek: παε aek [aek]; αθλητική ένωσις κωνσταντινουπόλεως; athlitikí énosis konstantinoupόleos, meaning athletic union of constantinople) is a greek professional football club based in nea filadelfeia, a suburban town in the athens urban area, greece established in nea filadelfeia, in 1924 by greek refugees from constantinople in the wake of the greco-turkish war (1919–1922), aek is one of the three most successful teams in greek football (including olympiacos and panathinaikos), winning 31 national titles and the only one to have won all the competitions organised by the hellenic football federation (13 championships, 15 greek cups, 1 league cup and 2 super cups)the club has appeared several times in european competitions (uefa champions league, uefa europa league and the defunct uefa cup winners' cup) it is the only greek team that advanced to  the semi-finals of the uefa cup (1976–77) and the quarter-finals of the uefa cup winners' cup twice (1996–97 and 1997–98) aek were also the first greek team that advanced to the quarter-finals of the european cup (1968–69) and also to the group stage of the uefa champions league (1994–95) 
olympiacos f.c. were past champions in the greece superleague. the league aek athens fc compete in. their manager is gus poyet. whose club is real zaragoza even though he played for chelsea f.c.greece olympiacos and panathinaikos are among the most successful teams in greek football