The former Oulu Province in Finland was divided on two regions, nine sub-regions and 43 municipalities.
Northern Ostrobothnia
- Oulu sub-region
- Hailuoto (Karlö)
- Haukipudas
- Kempele
- Kiiminki (Kiminge)
- Liminka (Limingo)
- Lumijoki
- Muhos
- Oulu (Uleåborg)
- Oulunsalo
- Tyrnävä
- Oulunkaari sub-region
- Ii (Ijo)
- Pudasjärvi
- Utajärvi
- Yli-Ii
- Raahe sub-region
- Pyhäjoki
- Raahe (Brahestad)
- Siikajoki
- Vihanti
- Siikalatva sub-region
- Haapavesi
- Pyhäntä
- Siikalatva
- Nivala–Haapajärvi sub-region
- Haapajärvi
- Kärsämäki
- Nivala
- Pyhäjärvi
- Reisjärvi
- Ylivieska sub-region
- Alavieska
- Kalajoki
- Merijärvi
- Oulainen
- Sievi
- Ylivieska
- Koillismaa sub-region
Kainuu
- Kehys-Kainuu sub-region
- Hyrynsalmi (8)
- Kuhmo (6)
- Puolanka (9)
- Suomussalmi (7)
- Kajaani sub-region
- Kajaani (Kajana) (1)
- Paltamo (3)
- Ristijärvi (4)
- Sotkamo (5)
- Vaala (2)
See also
- Municipalities of Northern Ostrobothnia
- Municipalities of Kainuu
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