The 2005–06 Gamma Ethniki was the 23rd season since the official establishment of the third tier of Greek football in 1983.

Asteras Tripolis Asteras Tripolis Football Club ( el, ΠΑΕ Αστέρας Τρίπολης), commonly referred to as Asteras Tripolis (meaning "Star of Tripoli"), is a Greek professional football club based in the city of Tripoli in Arcadia, Peloponnese, Greec ...

and

Agrotikos Asteras Agrotikos Asteras Football Club ( el, Π.Μ.Α.Σ. Αγροτικός Αστήρ) is a Evosmos-based football club, currently playing in Gamma Ethniki. It was founded in 1932 by refugees from Asia Minor. History Agrotikos Asteras was founded fro ...

were crowned champions in ''Southern'' and ''Northern'' Group respectively, thus winning promotion to

Beta Ethniki The Football League ( el, Φούτμπολ Λιγκ) 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 Lea ...

Ethnikos Piraeus Ethnikos Piraeus (Greek: Εθνικός Πειραιώς) is a Greek multisport club based in Piraeus. It was founded in 1923. The full name of the club is Ethnikos Omilos Filathlon Pireos/Phalirou or Ethnikos OFPF (Greek: Εθνικός Όμιλ ...

Messiniakos Founded in 1888, Messiniakos Gymnastic Club ( el, Μεσσηνιακός Γυμναστικός Σύλλογος) is one of the oldest athletic club in Greece with Panagiotis Benakis its first president. Messiniakos' traditional colours are green ...

PAS Giannina PAS Giannina Football Club ( el, ΠΑΕ ΠΑΣ Γιάννινα 1966), or with its full name Panepirotikos Athlitikos Syllogos Giannina ( el, Πανηπειρωτικός Αθλητικός Σύλλογος Γιάννινα, ''Panepirotic Athleti ...

and

Panthrakikos Panthrakikos Football Club ( el, Α.Π.Σ. Πανθρακικός) is a Greek football club based in Komotini, Thrace in North Eastern Greece founded in 1963. The club competed in Super League Greece during the 2008–09 season for the first time. ...

also won promotion due to expansion of

from 16 to 18 teams.

Keratsini Keratsini ( el, Κερατσίνι) is a suburb in the western part of the Piraeus regional unit, part of the Athens Urban Area. Since the 2011 local government reform it is part of the municipality Keratsini-Drapetsona, of which it is the seat a ...

, Ionia 2000 Chania, Achaiki,

Kozani Kozani ( el, Κοζάνη, ) is a city in northern Greece, capital of Kozani (regional unit), Kozani regional unit and of Western Macedonia. It is located in the western part of Macedonia (Greece), Macedonia, in the northern part of the Aliakmona ...

and

Ptolemaida Ptolemaida ( el, Πτολεμαΐδα, Ptolemaïda, Katharevousa: Πτολεμαΐς, ''Ptolemaïs'') is a town and a former municipality in Kozani regional unit, Western Macedonia, Greece. Since the 2011 local government reform it is part of th ...

were relegated to

Delta Ethniki Delta commonly refers to: * Delta (letter) (Δ or δ), a letter of the Greek alphabet * River delta, at a river mouth * D (NATO phonetic alphabet: "Delta") * Delta Air Lines, US * Delta variant of SARS-CoV-2 that causes COVID-19 Delta may also r ...

Southern Group

League table

Northern Group

League table

References

{{DEFAULTSORT:2005-06 Gamma Ethniki Third level Greek football league seasons 3

Greece Greece,, or , romanized: ', officially the Hellenic Republic, is a country in Southeast Europe. It is situated on the southern tip of the Balkans, and is located at the crossroads of Europe, Asia, and Africa. Greece shares land borders with ...