Äetsä is a former municipality of southwestern Finland. The municipality was founded on 1981 when municipalities of Keikyä and Kiikka were consolidated to a single municipality. On 1 January 2009, it was consolidated with the municipalities of Vammala and Mouhijärvi to form a new city of Sastamala. Geography Äetsä was located in the western Pirkanmaa region, and was part of the former (1997 to 2010) province of Western Finland. Demographics The municipality had a population of 4,797 (November 30, 2008) and covered an area of , of which was water. The population density was . The municipality was unilingually Finnish. External links Äetsä area map Sastamala Former municipalities of Finland Populated places established in 1981 Populated places disestablished in 2009 2009 disestablishments in Finland