What is Ostrobothnia (historical province)?
[[File:Historical province of Ostrobothnia, Finland.svg|thumb|Location]] '''Ostrobothnia''' ({{lang-sv|Österbotten}}) is a historical [[province]] in [[Finland]]. In terms of [[Regions of Finland|today's regions]], it covered all of [[Kainuu]], [[Ostrobothnia (region)|Ostrobothnia]], [[Central Ostrobothnia]], [[Northern Ostrobothnia]], most of [[Southern Ostrobothnia]] and the southern part of [[Finnish Lapland]], ''Peräpohjola''. [[Category:History of Finland]] {{eu-stub}}