The Super League Greece 1 (Greek: Ελληνική Σούπερ Λιγκ 1), or Super League 1 Interwetten for sponsorship reasons, is the highest professional association football league in Greece. The league was formed on 16 July 2006 and replaced Alpha Ethniki at the top of the Greek football league system. It consists of 14 teams and runs from August to May, with teams playing 26 games each followed by a 10-game play-off to decide the champions.
As of May 2021, Super League Greece is ranked 20th in the UEFA ranking of leagues, based on performances in European competitions over the last five years.
Since the foundation of the first official Panhellenic Championship in 1927, only six clubs have won the title.
The current champions are Olympiacos, based in Piraeus.