Kuusisto Church was completed in 1792 to replace an earlier church. The pulpit is from the 17th century, and its canopy was added in 1744. The altarpiece was donated in 1795. The belfry was originally built in 1763. It was rebuilt in 1792, and reconstructed in 1900.

Kalvola Church was built in 1919-1921 to replace an earlier church from 1802 and destroyed by fire in 1918. The new church is built of famous Kalvola granite, and is oblong in shape. It's designed by well-known church designer Ilmari Launis. The organ was made in 1924.

The Church of St. Catherine is one of the oldest churches in Finland, believed to be built in the beginning of the 15th century. It was dedicated in 1470, and there is a precious collection of medieval statues in the church. The pulpit was donated in 1703, and the belfry was built in 1768.

Mustio Church was built in 1757-1761. It has a baroque pulpit, and a collection bag probably dating from 1705. The belfry was built in 1778. Mustio Church is located opposite to the entrance gate of Mustio Castle.

Kemio Church was built during the 14th and 15th century, and dedicated to St. Andrew. It has been damaged by fire several times. After the fire in 1781, the church was enlarged, and the tower was added in 1788. Amos Anderson had the church restored in 1920-1922 after the design of Armas Lindgren who also designed the stained glass.

The New Church of Vastanfjard was built in 1910-1912 in the National Romantic style. It has been restored in 1956 and 2003. The altarpiece dates from 1864.

Kerimaki Church and the belfry were built in 1844-1847, and they were designed by Anders Granstedt mainly in a mix of the Neo-Gothic and Neo-Byzantine styles. The double-cruciform church is the biggest wooden church in the world, and has a total capacity of 5000 people. The altarpiece is from 1890, and the organ was placed in 1894. As there is no heating in the church, it is used mainly in summer time.

The present church of Kiikala was designed by Ernst Lohrmann, and was built in 1856-1859. It is oblong in shape, and is an example of the church architecture of the late 19th century. The church was restored and remodeled in 1932. The present belfry was built in 1800 in the form of the earlier belfry.

The construction of St. Michael's Church began around 1280, and completed in around 1300. The original design was influenced by Estonian churches, and the church has been enlarged several times afterwards. The current appearance dates from the middle of the 19th century when it was remodeled in a cruciform shape. The altarpieces date from 1756 and 1862, and the belfry was built in 1824. The church belonged to the Porkkala area which was leased to the USSR until 1956, and was restored in 1957-1959.

Haapajarvi Church was built in 1749 in a cruciform shape. It was originally located by a lake, but the water level rose, and the church was transferred to the current location in around 1823.

Kymi Church was built in the Empire style in 1848-1850. It was dedicated to St. John on midsummer in 1851. The altarpiece was painted in 1865. The seating capacity is 800. The bells were originally made for the church of Forsby Ironworks in 1736.

Kustavi Church was built in 1783 in a cruciform shape. It has been reconstructed several times in the end of the 19th century and in the 20th century. The church has some votive ships dating from the 19th century.

Karkola Church was built in 1887-1889 in the Neo-Gothic style with Neo-Renaissance elements, and is oblong in shape. It has been restored in 1930 and 1989. The seating capacity of the church is 400-500, and the altarpiece dates from the 18th century. The pulpit is octagonal in shape, and is decorated with five paintings.