Vaala is a municipality in Finland. It is located in the North Ostrobothnia region. Established in 1954, the municipality has a population of 2,58…Vaala is a municipality in Finland. It is located in the North Ostrobothnia region. Established in 1954, the municipality has a population of 2,582 and covers an area of 1,764.04 square kilometres of which 461.45 km² is water. The population density is 1.98 inhabitants per square kilometre. Previously Vaala was part of the Kainuu region but was transferred to Northern Ostrobothnia on 1 January 2016.