Oulainen

city in the region of Northern Ostrobothnia in Finland

Oulainen is a town in Northern Ostrobothnia, Finland. As of 28 February 2023, 7,018 people lived there. Neighbouring municipalities are Alavieska, Haapavesi, Merijärvi, Pyhäjoki, Raahe and Ylivieska.

Location
Coat of arms

Oulainen was founded in 1865.

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