Wis. Stat. § 68.04: Municipalities included.

In this chapter, “municipality” includes any county, city, village, town, technical college district, special purpose district, or board or commission thereof, and any public or quasi-public corporation or board or commission created pursuant to statute, ordinance, or resolution, but does not include the state, a state agency, a corporation chartered by the state, or a school district as defined in s. 115.01 (3).