The Regionalliga Ost is one of three third level leagues in Austrian football.The Regionalliga is the highest league in Austrian amateur football. The league was reintroduced in the 1984-85 season. It covers the Austrian states of Burgenland, Lower Austria and Vienna. The champion of the league plays relegation versus the 9th of the Austrian football first league. The champion of the 2010/11 season was ESV Parndorf. The club failed in the relegation matches versus First Vienna FC.