Oeschenbach is a municipality in the Oberaargau the canton of Bern in Switzerland.
A typical Bernese communities civic community does not exist, only the municipality.
Oeschenbach as a village is a hamlet with about eight houses, next to belong more, even smaller hamlet to the agricultural community.
Oeschenbach located in the Upper Aargau in the Swiss Mittelland. The neighboring municipalities are Ursenbach, Walterswil, Wynigen and Ochlenberg, on the watershed to the Emmental