The 1988–89 Gamma Ethniki was the sixth season since the official establishment of the third tier of Greek football in 1983. Edessaikos was crowned champion, thus winning promotion to

Beta Ethniki The Football League () was the second highest professional football league in Greece since its inception in 1962 as ''Beta Ethniki'' and until 2019. It then served as a third tier after the creation of the Super League 2 as the new second tier ...

Sparti Sparta (, ) is a city and municipality in Laconia, Peloponnese, Greece. It lies at the site of ancient Sparta within the Evrotas Valley. The municipality was merged with six nearby municipalities in 2011, for a total population (as of 2021) of ...

and Eordaikos were also won promotion as a runner-up and a third placed team of the league.

League table

References

{{DEFAULTSORT:1988-89 Gamma Ethniki Third level Greek football league seasons 3

Greece Greece, officially the Hellenic Republic, is a country in Southeast Europe. Located on the southern tip of the Balkan peninsula, it shares land borders with Albania to the northwest, North Macedonia and Bulgaria to the north, and Turkey to th ...