 The Heraklion FCA football league system consists of four divisions, namely the A1 Division (), the top-level football league in Heraklion (therefore also known as the Heraklion FCA Championship), the Α2 Division (), second tier in the pyramid, the B Division () comprising two Groups and constituting the third tier of the league system and finally the C Division (), lowest regional division organized in Heraklion.From its foundation to 1959 (they year of the foundation of the nationwide championship of the Alpha Ethniki), the Heraklion FCA organised a league that was considered the top tier of football in Crete, and later specifically the region of Heraklion (after Chania, Lasithi and Rethymno founded Football Clubs Associations of their own.The following teams compete in the Heraklion FCA Championships during the 2018–19 season.