Reisiswil

Melchnau is a municipality in the Oberaargau administrative district in the canton of Bern in Switzerland.

The ruins of Grünenberg Castle, Schnabelburg Castle and Langenstein Castle are a complex of three interconnected castles on a hill above the municipality of Melchnau in the canton of Bern in Switzerland. The three castles formed the center of power of the Barons of Grünenberg in the Oberaargau region during the High Middle Ages.

Busswil bei Melchnau is a municipality in the Oberaargau administrative district in the canton of Bern in Switzerland.

Gondiswil (local dialect Gumiswil) is a municipality in the Oberaargau administrative district in the canton of Bern in Switzerland.

Grossdietwil is a municipality in the district of Willisau in the canton of Lucerne in Switzerland.

Altbüron is a municipality in the district of Willisau in the canton of Lucerne in Switzerland.

Auswil is a municipality in the Oberaargau administrative district in the canton of Bern in Switzerland.

Rohrbach railway station (German: Bahnhof Rohrbach) is a railway station in the municipality of Rohrbach, in the Swiss canton of Bern. It is an intermediate stop on the standard gauge Langenthal–Huttwil line of BLS AG.

Obersteckholz is a former municipality in the Oberaargau administrative district in the canton of Bern in Switzerland. On 1 January 2021 the former municipality of Obersteckholz merged into Langenthal.

Rohrbach (German: [ˈʁoːɐ̯bax] ) is a municipality in the Oberaargau administrative district in the canton of Bern in Switzerland.

Madiswil is a municipality in the Oberaargau administrative district in the canton of Bern in Switzerland. Since January 1, 2007, Gutenburg is part of the municipality. On 1 January 2011 Kleindietwil and Leimiswil were merged with the municipality of Madiswil.

Untersteckholz was a municipality in the district of Aarwangen in the canton of Bern in Switzerland. On 1 January 2010, Untersteckholz merged into Langenthal.