Unterramsern

Mühledorf is a former municipality in the Bucheggberg District, in the canton of Solothurn, Switzerland. On 1 January 2014 the former municipalities of Mühledorf (SO), Tscheppach, Brügglen, Aetingen, Aetigkofen, Bibern (SO), Gossliwil, Hessigkofen, Küttigkofen, Kyburg-Buchegg merged into the new municipality of Buchegg.

Oberramsern was a municipality in the district of Bucheggberg in the canton of Solothurn in Switzerland. On 1 January 2010, the municipalities of Balm bei Messen, Brunnenthal and Oberramsern merged into the municipality of Messen.

Limpach is a former municipality in the Bern-Mittelland administrative district in the canton of Bern in Switzerland. On 1 January 2014 the former municipalities of Limpach, Büren zum Hof, Etzelkofen, Grafenried, Mülchi, Schalunen and Zauggenried merged into the municipality of Fraubrunnen.

Mülchi is a former municipality in the Bern-Mittelland administrative district in the canton of Bern in Switzerland. On 1 January 2014 the former municipalities of Mülchi, Büren zum Hof, Etzelkofen, Grafenried, Limpach, Schalunen and Zauggenried merged into the municipality of Fraubrunnen.

Aetigkofen is a former municipality in the district of Bucheggberg in the canton of Solothurn in Switzerland. On 1 January 2014 the former municipalities of Aetigkofen, Tscheppach, Brügglen, Aetingen, Bibern (SO), Gossliwil, Hessigkofen, Mühledorf (SO), Küttigkofen, Kyburg-Buchegg merged into the new municipality of Buchegg.

Bucheggberg District is one of the ten districts of the canton of Solothurn in Switzerland, situated to the southwest of the canton. Together with the Wasseramt District, it forms the Amtei (electoral district) of Wasseramt-Bucheggberg. It has a population of 8,009 (as of 31 December 2020).

Aetingen is a former municipality in the district of Bucheggberg in the canton of Solothurn in Switzerland. On 1 January 2014 the former municipalities of Aetingen, Tscheppach, Brügglen, Aetigkofen, Bibern (SO), Gossliwil, Hessigkofen, Mühledorf (SO), Küttigkofen, Kyburg-Buchegg merged into the new municipality of Buchegg.

Fraubrunnen District is a constitutional district along of the 26 districts in the canton of Bern, Switzerland. Its capital is the municipality of Fraubrunnen. The district has an area of 124 km² and consisted of 27 municipalities. From 1 January 2010, the district lost its administrative power while being replaced by the Emmental district, whose administrative centre is Langnau im Emmental. Since 2010, it remains a fully recognised district under the law and the Constitution (Art.3 al.2) of the Canton of Berne. ^a Population is as of December 2007, includes population and area of Ballmoos which merged into Jegenstorf in 2010

Tscheppach is a former municipality in the district of Bucheggberg, in the canton of Solothurn, Switzerland. On 1 January 2014 the former municipalities of Tscheppach, Brügglen, Aetingen, Aetigkofen, Bibern (SO), Gossliwil, Hessigkofen, Mühledorf (SO), Küttigkofen, Kyburg-Buchegg merged into the new municipality of Buchegg.

Etzelkofen is a former municipality in the Bern-Mittelland administrative district in the canton of Bern in Switzerland. On 1 January 2014 the former municipalities of Etzelkofen, Büren zum Hof, Grafenried, Limpach, Mülchi, Schalunen and Zauggenried merged into the municipality of Fraubrunnen.

Buchegg Castle is a castle in the Swiss municipality of Kyburg-Buchegg in the canton of Solothurn, Switzerland. The castle, built in 1546, has a square tower with a hip roof. The Counts of Buchegg had a castle on the site until 1383 when it was destroyed by the House of Kyburg. The current building saw service as a prison and came into private ownership in 1863. It was restored in 1938 and was converted to a museum in 1956.

Hessigkofen is a former municipality in the district of Bucheggberg, in the canton of Solothurn, Switzerland. On 1 January 2014 the former municipalities of Hessigkofen, Tscheppach, Brügglen, Aetingen, Aetigkofen, Bibern (SO), Gossliwil, Mühledorf (SO), Küttigkofen, Kyburg-Buchegg merged into the new municipality of Buchegg.