Oulainen

Location
Coat of arms

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.

Oulainen was founded in 1865.

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