The AEK–Olympiacos rivalry is a football local derby played between AEK Athens and Olympiacos.
Both clubs are based in the Athens metropolitan area.
AEK Athens comes from Nea Filadelfeia, a suburban town, while Olympiacos is based in the coastal city of Piraeus.
The matches between the two teams are renowned for their strong on-pitch rivalry, they usually have high attendances, and most of them are very entertaining and very competitive with many goals scored by both sides.