![Oulu sub-region Oulu sub-region](/modules/owlapps_apps/img/nopic.jpg)
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 262,736, making it the fourth largest region in Finland after Helsinki, Tampere and Turku.
Results of the 2018 Finnish presidential election:
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