Viitasaari is a Finnish town and municipality located in the Central Finland region. It is located between the neighbouring municipalities of Pihtipudas to the north and ÃÂänekoski to the south. The town has a population of () and covers an area of of which , or 21%, is water. There are altogether 230 lakes in Viitasaari. The biggest lakes are Lake Keitele, Lake Kolima and Muuruejärvi. The population density is .
The municipality is unilingually Finnish.
Results of the 2023 Finnish parliamentary election in Viitasaari:
The following cities or municipalities are twinned with Viitasaari: