Pargas
It was created as Väståboland on January 1 , 2009 in Southwest Finland , when the municipalities of Pargas , Nagu , Korpo , Houtskär and Iniö were merged into a single municipality . 
<triplet> Houtskär <subj> Southwest Finland <obj> located in the administrative territorial entity <triplet> Iniö <subj> Southwest Finland <obj> located in the administrative territorial entity