Halsua
Halsua is a municipality of Finland.
Halsua is located in the province of Western Finland and is part of the Central Ostrobothnia region. The municipality has a population of in and covers an area of of which is water. The population density is.
Neighbouring municipalities are Kaustinen, Kokkola, Lestijärvi, Perho and Veteli.
The municipality is unilingually Finnish.