AEK Athens B Football Club (Greek: ΠΑΕ AEK B[aek]; Αθλητική Ένωσις Κωνσταντινουπόλεως; Athlitikí Énosis Konstadinoupόleos, meaning Athletic Union of Constantinople) is a Greek professional football club based in Nea Filadelfeia, a suburb of Athens, Greece.
Reserve teams in Greece play in the same league system as the senior team, rather than in a reserve team league. They must play at least one level below their main side, and thus AEK Athens B are ineligible for promotion to Super League Greece. They also cannot play in the Greek Cup.
The Spata Training Centre, was built in 2010, it is located in the suburban Athens area of Spata and ever since then it is the home ground for all of the football club's departments.[1]