Houtskär is an island group and former municipality of Finland. On 1 January 2009, it was consolidated with Iniö, Korpo, Nagu and Pargas to form the municipality of Pargas. Houtskär was neighboured by

Pargas is a former town and municipality in south-western Finland. On 1 January 2009, it was consolidated with Houtskär, Iniö, Korpo and Nagu to form the new municipality of Väståboland.