High Quality Content by WIKIPEDIA articles! The Commerzbank-Arena is a sports stadium in Frankfurt, Germany. Commonly known by its original name, Waldstadion, the stadium opened in 1925. The stadium has been upgraded several times since then, the most recent remodelling was before the 2006 FIFA World Cup from 2002 to 2005 redeveloped it as a pure football stadium in time for the [[2005 FIFA Confederations Cup]. With a capacity of 51,500 spectators, it is among the ten largest football stadiums in Germany.