First national football club competition was conducted during 1927 year. In 2006 was crated Super League of Greece and replaces the old championship model. The Super League of Greece contains 16 clubs competing against each other and ranked in season table according to points won, goal difference and goals scored. Each team plays 30 matches for the whole season. At the end of the season according to Greece UEFA ranking clubs are registered for UEFA Champion League and UEFA Europa League. Last two teams from the season table are relegated to lower football division and their places are taken from top two clubs in second-highest football division.