The 2024–25 Gamma Ethniki is the 43rd season since the official establishment of the championship in 1982 and the 3rd tier of Greek football after the restructuring of 2021.
It has an amateur character, while the Hellenic Football Federation (HFF) is responsible for the conduct of the championship.
The competition started in September 2024, is expected to be concluded in April 2025, and is conducted in four groups, same as the previous 2023–24 season.
[1] For the 2024-2025 competition season, the deadline for submitting the Declarations of Participation was July 19 2024 for the teams with the right to participate and until 29 July 2024 for the teams invited to fill the gaps, created from the teams that, even though they had earned the right to participate, they chose to withdraw.
The seven last teams of each group will be relegated to Local FCA Championships and also 2 more teams will be relegated after a single play-out game in neutral ground.