Tervo

Tervo is a municipality of Finland. It is located in the province of Eastern Finland and is part of the Northern Savonia region. The municipality has a population of (), making it Northern Savonia's least populous municipality. It covers an area of of which is water. The population density is .
Neighbouring municipalities are Keitele, Kuopio, Maaninka, Pielavesi, Rautalampi, Suonenjoki, and Vesanto. 30% of its area is covered by water. Summer cottages are as prevalent as households. The municipality is unilingually Finnish.
Marco Hietala, the bass player for Nightwish, is from Tervo.