Biezwil

Lüterswil-Gächliwil is a former municipality in the district of Bucheggberg, in the canton of Solothurn, Switzerland. It was formed in 1994 from the merger of the two previously independent municipalities of Lüterswil and Gächliwil. On 1 January 2024 the former municipality of Lüterswil-Gächliwil merged into the municipality of Buchegg.

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

Oberwil bei Büren is a municipality in the Seeland administrative district in the canton of Bern in Switzerland.

Balm bei Messen 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.

Schnottwil is a municipality in the district of Bucheggberg, in the canton of Solothurn, Switzerland.

Rüti bei Büren is a municipality in the Seeland administrative district in the canton of Bern in Switzerland. It is also a reformed church parish.

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

Ruppoldsried is a former municipality in the Seeland administrative district in the canton of Bern in Switzerland. On 1 January 2013 Ruppoldsried merged into Rapperswil.

Wengi is a municipality in the Seeland administrative district in the canton of Bern in Switzerland.

Diessbach bei Büren is a municipality in the Seeland administrative district in the canton of Bern in Switzerland. Diessbach has a reformed church, and is the center of the parish which includes the municipalities Busswil bei Büren, Büetigen and Dotzigen as well.

The Swiss Plateau or Central Plateau is one of the three major landscapes in Switzerland, lying between the Jura Mountains and the Swiss Alps. It covers about 30% of the Swiss surface area, and is partly flat but mostly hilly. The average height is between 400 metres (1,300 ft) and 700 metres (2,300 ft) AMSL. It is by far the most densely populated region of Switzerland, the center of economy and important transportation.

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.