Ostrobothnia refers to various areas in Finland: * Ostrobothnia (historical province), a traditional region () of Finland * Ostrobothnia County, a county () of the Kingdom of Sweden in 1634–1775 * Modern regions () in Finland: **

Ostrobothnia (administrative region) Ostrobothnia (; ) is a regions of Finland, region in Western Finland, western Finland. It borders the regions of Central Ostrobothnia, South Ostrobothnia, and Satakunta. It is one of six regions that together form Ostrobothnia (historical provin ...

, coastal part of historical Ostrobothnia ** South Ostrobothnia ** Central Ostrobothnia ** North Ostrobothnia

See also