Oulu sub-region
Oulu sub-region is a subdivision of Northern Ostrobothnia and one of the Sub-regions of Finland since 2009. The Oulu region has a population of , making it the fourth largest region in Finland after Helsinki, Tampere and Turku. Municipalities Politics Results of the 2018 Finnish presidential election: Sauli Niinistö 57.4% Pekka Haavisto 12.4% Paavo Väyrynen 9.4% Matti Vanhanen 6.9% Laura Huhtasaari 6.8% Merja Kyllönen 4.5% Tuula Haatainen 2.1% Nils Torvalds 0.6% References Sub-regions of Finland Geography of North Ostrobothnia