From the Wikipedia page [1] The Regional State Archives in Oslo (Norwegian: Statsarkivet i Oslo) is a regional state archives situated at Sognsvann in Oslo, Norway. Part of the National Archival Services of Norway, it is responsible for archiving documents from state institutions in the counties of Akershus, Oslo and Østfold. The facility is jointly located with the National Archives of Norway. The collection includes 19.2 shelf-kilometres of material.