North Ostrobothnia (; ) is a region of Finland. It borders the Finnish regions of Lapland, Kainuu, North Savo, Central Finland and Central Ostrobothnia, as well as the Russian Republic of Karelia. The easternmost corner of the region between Lapland, Kainuu and the Russian border is known as Koillismaa ("North-East Finland").
The region of North Ostrobothnia consists of 30 municipalities, 11 of which have city status (marked in bold).
Nivala-Haapajärvi sub-region
Results of the 2019 Finnish parliamentary election in North Ostrobothnia: