Municipalities of Ostrobothnia
The 14 municipalities of the Ostrobothnia Region in Finland are divided into four sub-regions. Both their location and the dominant language imply these divisions; Kyrönmaa, for example, is Finnish-speaking, whereas the others have Swedish-speakers in the majority. Most places have both Swedish and Finnish names.
[Jakobstad sub-region]
[Sydösterbotten] sub-region
[Vaasa sub-region]
List of municipalities
| Coat of arms | Municipality | Population | Land area | Density | Finnish speakers | Swedish speakers | Other speakers |
| Jakobstad | % | % | % | ||||
| Kaskinen | % | % | % | ||||
| Korsholm | % | % | % | ||||
| Korsnäs | % | % | % | ||||
| Kristinestad | % | % | % | ||||
| Kronoby | % | % | % | ||||
| Laihia | % | % | % | ||||
| Larsmo | % | % | % | ||||
| Malax | % | % | % | ||||
| Närpes | % | % | % | ||||
| Nykarleby | % | % | % | ||||
| Pedersöre | % | % | % | ||||
| Vaasa | % | % | % | ||||
| Vörå | % | % | % | ||||
| Total | % | % | % | - |