Vehmaa Church

The Church of the Holy Cross is a medieval stone church probably built between 1425 and 1440. The church has been fairly well preserved in its medieval appearance. The first church of the parish was most probably built of wood as early as the 13th century. The walls of the present church are decorated with paintings, the oldest of which were made after the completion of the church.

St. Olaf's Church in Kalanti is a medieval grey stone church built between 1430 and 1450, which is supported by the dendrochronological study of the west portal. The church is known for the paintings signed by the painter Petrus Henriksson in the 1470s. The church also has the most important surviving medieval altarpieces in Finland.

Mynämäki Church, originally called St. Laurus Catholic Church, is the second-largest medieval stone church in Finland. The church's sacristy is the oldest part of the building and some date its construction to the 13th century, while others date it from 1425 to 1440.