The Hallenstadion is a multi-purpose facility and is mainly home to the ZSC Lions of the National League A, in the Swiss city of Zurich. Designed by Bruno Giacometti, it opened on July 18, 1939, and was renovated in 2005. The arena is located in the quarter of Oerlikon in northern Zurich and has a capacity of up to 13,000 spectators in boxing.