High Quality Content by WIKIPEDIA articles! Raisio (Finnish pronunciation: ; Swedish: Reso) is a town and municipality in south-western Finland and an important junction of major roads. The town has a population of 24,564 (31 January 2012) and is located in the region of Finland Proper, neighbouring the region`s capital, Turku. The town`s land area is 48.76 km2 (18.83 sq mi), and has about 5 kilometres (3 mi) of coastline to the Bay of Raisio on its southern tip.