Haute-Argovievignette|Carte La Haute-Argovie (en allemand Oberaargau, en italien Alta Argovia, en Oberaargou) est la partie nord-est du canton de Berne, en Suisse, limitrophe des cantons de Soleure, d'Argovie et de Lucerne. Au sud, la Haute-Argovie est bordée par l'Emmental, unique région bernoise limitrophe, et forme d'un point de vue administratif l'arrondissement de Haute-Argovie. Jusqu'en 2009, il comprenait deux districts du canton de Berne : le district de Wangen et celui d'Aarwangen, qui avec une partie du district de Trachselwald appartiennent désormais à l'arrondissement administratif de Haute-Argovie.
GondiswilGondiswil (local dialect Gumiswil) is a municipality in the Oberaargau administrative district in the canton of Bern in Switzerland. Gondiswil is first mentioned in the mid-9th century as Cundolteswilare. The only evidence of prehistoric people in Gondiswil are some scattered neolithic items that were found near Staldershaus. During the Middle Ages the major landowners were all local nobles. However, in 841-72 the Perchtgers donated land to the Abbey of St. Gallen. In 1194 the Baron of Langenstein granted some land in Gondiswil to St.
Busswil bei MelchnauBusswil bei Melchnau is a municipality in the Oberaargau administrative district in the canton of Bern in Switzerland. Busswil bei Melchnau is first mentioned in 1194 as Bouswillare. During the Middle Ages parts of the village were owned by local nobles and the Abbey of St. Gallen. In 1480, the Herrschaft of Grünenberg, which included Busswil, was acquired by Bern. Under Bernese control it was part of the court of Melchnau in the bailiwick of Aarwangen until 1798.
MelchnauMelchnau is a municipality in the Oberaargau administrative district in the canton of Bern in Switzerland. Melchnau celebrated its 900th anniversary in 2000. The earliest written evidence for the town dates from about 1100. Melchnau is first mentioned in 1194 as Melchinove. The Grünenberg-Schnabelburg-Langenstein complex of three ruined castles sit on a hill above the village. The Lords of Langenstein were first mentioned in 1194 when they helped found St. Urban's Abbey. The castle was likely built around that same time.
LotzwilLotzwil is a municipality in the district of Oberaargau in the canton of Bern in Switzerland. Lotzwil is first mentioned in 1194 as Locewillare. During the Middle Ages the major landowners in Lotzwil included St. Urban's Abbey and the Thunstetten Commandery. The area was ruled by the Baron of Langenstein until the extinction of that family, followed by the Utzigen and Balm families, then after 1370 the Grünenberg and Aarburg. In 1431 Thüring von Aarburg sold the village to Burgdorf.
ReisiswilReisiwil is a municipality in the Oberaargau administrative district in the canton of Bern in Switzerland. Reisiswil is first mentioned in 1194 as Richolsiswillare. Reisiswil was part of the lands of the Counts of Langenstein-Grünenberg. Some land in the village was given in the 12th century to St. Urban's Abbey, while the Abbey of St. Gall became a major landholder as well. The St. Gallen properties were managed by the Counts of Grünenberg. With the extinction of the Grünenberg line, Bern inherited the village in 1504.