Its regular season began on 12 September 2010 and ended on 15 May 2011;[citation needed] the promotion play-offs, originally scheduled to take place immediately afterwards, were postponed to late July 2011 in wake of the Koriopolis scandal.
[citation needed] A total of three teams gained promotion to the 2010–11 Super League after the 2009–10 Beta Ethniki season.
The three promoted teams were replaced by Levadiakos, PAS Giannina and Panthrakikos, who finished in the bottom three places of the 2009–10 Super League.
On the bottom end of the table, Rodos, Kalamata and Egaleo were relegated to the 2010–11 Football League 2, the former Gamma Ethniki.
However, the round was eventually cancelled[citation needed] after Trikala, Anagennisi Karditsa, Ionikos and Asteras Piraeus were all found guilty of forgery and demoted from the league.