Temppeliaukio Church, also known as the Church of the Rock, is a Lutheran church located in Helsinki, Finland. It is a unique church because it was built directly into a solid rock, and its roof is made of copper wire mesh with natural light filtering inside.

The church was designed by architects Timo and Tuomo Suomalainen, and it was completed in 1969. The interior of the church is circular, with rough rock walls and a dome-shaped ceiling made of copper wire mesh. There are 180 steps leading down to the main hall, which can accommodate up to 750 people. The church has excellent acoustics and is a popular venue for concerts and other musical performances.

The church is open to visitors and attracts thousands of tourists every year. There is no admission fee, but donations are appreciated. Visitors can attend services, take guided tours, or simply admire the unique architecture of the building. The church is also known for its serene atmosphere, making it a popular place for meditation and reflection.