Ostrobothnia (East Bothnia) refers to various areas in Finland: *

Ostrobothnia County Ostrobothnia County (, ) was a Counties of Sweden, county of the Swedish Empire from 1634 to 1775. The county was split in 1755 to County of Vasa (, ) and County of Uleåborg (, ). Maps Governors

*Melcher Wernstedt 1635–1642 *Hans K ...

, province of the Kingdom of Sweden 1634–1775 *

Ostrobothnia (historical province) Ostrobothnia, sv, Österbotten (literally "Eastern Bottom", "botten" deriving from Old Norse ''botn'' in the meaning of 'bay', and Latinized "bothnia"), fi, Pohjanmaa (literally "Bottom (low) lands" or alternatively "Northland") is a histor ...

, province of the Kingdom of Sweden before 1809 *

Ostrobothnia (region) Ostrobothnia ( sv, Österbotten; fi, Pohjanmaa) is a region in western Finland. It borders the regions of Central Ostrobothnia, South Ostrobothnia, and Satakunta. It is one of four regions considered modern-day Ostrobothnia, hence also referred ...

, in modern Finland * Other regions in modern Finland: **

South Ostrobothnia South Ostrobothnia ( fi, Etelä-Pohjanmaa; sv, Södra Österbotten) is one of the 19 regions of Finland. It borders the regions of Ostrobothnia, Central Ostrobothnia, Central Finland, Pirkanmaa, and Satakunta. Among the Finnish regions, South O ...

Central Ostrobothnia Central Ostrobothnia ( fi, Keski-Pohjanmaa; sv, Mellersta Österbotten) is a region in Finland. It borders the regions of Ostrobothnia, North Ostrobothnia, Central Finland and South Ostrobothnia. Historical provinces Municipalities ...

North Ostrobothnia North Ostrobothnia ( fi, Pohjois-Pohjanmaa; sv, Norra Österbotten) is a region of Finland. It borders the Finnish regions of Lapland, Kainuu, North Savo, Central Finland and Central Ostrobothnia, as well as the Russian Republic of Karelia. T ...

See also