Aarwangen District (Amtsbezirk Aarwangen) lies in the northeast corner of the canton of Bern in Switzerland. The area is part of the traditional Oberaargau region and has long been defined by small towns, agricultural land and local industry. For a general reference see Aarwangen District and for the national context Switzerland.

Aarwangen-coat of arms.svg

Municipalities

The district comprises 25 municipalities distributed across about 154 km². The main population and economic centre is Langenthal. The full list of municipalities is:

Geography and landscape

The district occupies a section of the Swiss plateau where gently rolling farmland and patches of woodland alternate with small river valleys. The Oberaargau area is traversed by tributaries that feed the Aare basin; floodplains, hedgerows and mixed farms characterise much of the local scenery. Elevations are moderate and the pattern of settlement combines compact market towns with scattered villages and hamlets.

History and administration

Aarwangen has a long local history as an administrative and judicial district within the canton of Bern. On 1 January 2010 the canton reorganised its sub‑cantonal structure: the former Amtsbezirke ceased to exercise administrative authority and their municipalities were allocated to newly formed administrative districts (Verwaltungskreise). Most municipalities of the former Aarwangen District became part of the Verwaltungskreis Oberaargau. Despite that reform, the historical name and boundaries of Aarwangen District are still used in some statistical and cultural contexts.

Economy, transport and culture

Economic activity in the district is mixed: traditional agriculture remains important in the smaller villages, while towns such as Langenthal host light industry, craft businesses and services. Rail and road links connect the district to regional centres; Langenthal functions as a transport hub with connections that facilitate commuting and commerce. Local cultural life includes regional festivals, historical sites such as Aarwangen castle and clubs that maintain Bernese German traditions.

Notable facts and distinctions

The district contains 25 municipalities and covers approximately 154 km². It illustrates the common Swiss pattern of a densely settled plateau with a blend of agricultural, industrial and residential uses. For municipal-level information and official references consult the local municipal pages and cantonal sources through the links above.