Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Vallhall Arena is a multi-use indoor arena located in Helsfyr, Oslo, Norway. It is currently used mostly for football matches. The stadium has a capacity of 5,500 people during matches. The Norwegian Premier League club Vålerenga uses the arena for training and friendly matches in the winter off-season. The arena is also a well-known concert hall, with a capacity of 12,500 people it has hosted artists like; A-ha, Robbie Williams, Westlife, Iron Maiden and Kiss. It''s not far away from Valle Hovin, an outdoor concert arena. The arena also serves as an event arena.