Ernst Happel Stadium in Vienna It was built between 1929 and 1931 for the second Worker Olympiade to the design of German architect Otto Ernst Schweizer. The stadium was renamed in honour of Ernst Happel following his death in 1992. The Ernst Happel Stadium is the largest football stadium in Austria. It is the home of the Austrian national football team.the stadium is rated one of UEFA's Five Star Stadiums. capacity of 50.000 seats It will host 7 matches ( 3 group matches, 2 quarter-finals, 1 semi-final and final ) the Euro 2008.