Pertteli (); ) is a former municipality of Finland. It was consolidated with Salo on January 1, 2009. It is located in the province of Western Finland and is part of the Southwest Finland region. The municipality had a population of 3,833 (2004-12-31) and covered an area of 156.08 km² of which 1.93 km² is water. The population density was 24.87 inhabitants per km². Inkere was the administrative center of Pertteli. The municipality was unilingually Finnish. Saint Bartholomew is the namesake of the municipality and is the subject of the heraldic shield. External links http://www.pertteli.fi/ – Official website Former municipalities of Finland Salo, Finland Populated places disestablished in 2009 2009 disestablishments in Finland