Ytre Sandsvær is a former municipality in Buskerud

Buskerud

is a county in Norway, bordering Akershus, Oslo, Oppland, Sogn og Fjordane, Hordaland, Telemark, and Vestfold. The county administration is located in Drammen.-Geography:...

 county, Norway.

It was created when Sandsvær

Sandsvær

Sandsvær is a former municipality in Buskerud county, Norway.Historically, Sandsvær as a part of Sandsvær og Numedal fogderi had belonged to Akershus amt from 7 February 1685 In 1760 Sandsvær fogderi was moved administratively to Buskerud....

 was split into Ytre and Øvre Sandsvær

Øvre Sandsvær

Øvre Sandsvær is a former municipality in Buskerud county, Norway.It was created when Sandsvær was split into Øvre and Ytre Sandsvær on 1 January 1908. At that time Øvre Sandsvær had a population of 2,464. In 1939 a district with 33 inhabitants was moved to Flesberg municipality.On 1 January 1964...

 on 1 January 1908. At that time Ytre Sandsvær had a population of 3,245.

On 1 January 1964 the two municipalities were incorporated into Kongsberg

Kongsberg

is a town and municipality in Buskerud county, Norway. It is located at the southern end of the traditional region of Numedal. The administrative centre of the municipality is the town of Kongsberg....

municipality. Prior to the merger Ytre Sandsvær had a population of 3,140.