Oslo Opera House
 The Oslo Opera House (Norwegian: Operahuset) is the home of The Norwegian National Opera and Ballet and the national opera theatre in Norway. The building is situated in the Bjørvika neighborhood of central Oslo at the head of the Oslofjord. It is operated by Statsbygg the government agency which manages property for the Norwegian government. The structure contains 1100 rooms in a total area of 38500 m2 (414000 sq ft).