The 18 municipalities of the Ostrobothnia Region in Finland are divided on four districts. Both their location and the dominant language imply these divisions; Kyrönmaa, for example, is Finnish-speaking, whereas others have Swedish-speakers in the majority. Most places have both Swedish and Finnish names.

Kyrönmaa District

• Isokyrö (Sw. Storkyro)
• Laihia (Sw. Laihela)
• Vähäkyrö (Sw. Lillkyro)

Vaasa District

• Korsnäs
• Malax (Fi. Maalahti)
• Maxmo (Fi. Maksamaa)
• Korsholm (Fi. Mustasaari)
• Oravais (Fi. Oravainen)
• Vaasa (Sw. Vasa)
• Vörå (Fi. Vöyri)

South Eastern Bothnia Coastal District

• Kaskinen (Sw. Kaskö)
• Kristinestad (Fi. Kristiinankaupunki)
• Närpes (Fi. Närpiö)

Jakobstad District

• Kronoby (Fi. Kruunupyy)
• Larsmo (Fi. Luoto)
• Pietarsaari (Sw. Jakobstad)
• Pedersöre
• Nykarleby (Fi. Uusikaarlepyy)

See also

• Western Finland
• Regions of Western Finland