Turku metropolitan area

Turku ( ; ; , ) is a city in Finland and the regional capital of Southwest Finland. It is located on the southwestern coast of the country at the mouth of the River Aura. The population of Turku is approximately , while the metropolitan area has a population of approximately . It is the –most populous municipality in Finland, and the third–most populous urban area in the country after Helsinki and Tampere.

Kaarina (; , i.e. "Saint Catherine's") is a town in Finland, located in the region of Southwest Finland. It lies south of the regional capital, Turku. The population of Kaarina is approximately , while the sub-region has a population of approximately . It is the most populous municipality in Finland, and the second largest municipality in the Southwest Finland region after Turku.

Naantali (; ) is a town in Southwest Finland, and, as a resort town during the summer, an important centre of tourism in the country. The municipality has a population of (), and is located west of Turku.

Raisio (; ) is a town in Finland, located in the Southwest Finland region. It lies north of the regional capital, Turku. The population of Raisio is approximately , while the sub-region has a population of approximately . It is the most populous municipality in Finland, and the third largest municipality in the Southwest Finland region after Turku and Kaarina.

Lieto (; ) is a town and municipality of Finland.

Rusko () is a municipality of Finland.