Ostrobothnia County
| Ostrobothnia County Österbottens län Pohjanmaan lääni | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| County of the Swedish Empire | |||||||||
| 1634–1775 | |||||||||
| Capital | Vaasa | ||||||||
| History | |||||||||
| 1634 | |||||||||
• Disestablished | 1775 | ||||||||
| |||||||||
Ostrobothnia County (Swedish: Österbottens län, Finnish: Pohjanmaan lääni) was a county of the Swedish Empire from 1634 to 1775.
The county was split in 1755 to County of Vasa (Swedish: Vasa län, Finnish: Vaasan lääni) and County of Uleåborg (Swedish: Uleåborg län, Finnish: Oulun lääni).