NumedalslågenNumedalslågen is a river located in the counties of Vestfold and Telemark and Viken in southeastern Norway. It is one of the longest rivers in Norway. Numedalslågen stretches for over through the counties of Vestfold and Telemark and Viken, beginning at the Hardangervidda plateau and meeting the ocean at Larvik in Vestfold. Numedalslågen is one of Norway's longest rivers. The river runs through the municipalities Larvik, Lardal, Kongsberg, Flesberg, Rollag and Nore og Uvdal.
Viken (county)Viken is a county under disestablishment in Eastern Norway that was established on 1 January 2020 by the merger of Akershus, Buskerud and Østfold with the addition of the municipalities of Jevnaker, Lunner and the former municipality of Svelvik. Viken was controversial from the onset, with an approval rating of about 20% in the region, and the merger was resisted by all the three counties. Viken has been compared to gerrymandering.
KongsbergKongsberg (ˈkɔ̂ŋːsbær(ɡ)) is a historical mining town and municipality in Buskerud, Viken county, Norway. The city is located on the river Numedalslågen at the entrance to the valley of Numedal. Kongsberg has been a centre of silver mining, arms production and forestry for centuries, and is the site of high technology industry including the headquarters of Norway's largest defence contractor Kongsberg Gruppen.
BuskerudBuskerud (ˈbʉ̂skərʉː) is a former, and future, county and a current electoral district in Norway, bordering Akershus, Oslo, Oppland, Sogn og Fjordane, Hordaland, Telemark and Vestfold. The region extends from the Oslofjord and Drammensfjorden in the southeast to Hardangervidda mountain range in the northwest. The county administration was in modern times located in Drammen. Buskerud was merged with Akershus and Østfold into the newly created Viken County on 1 January 2020.