Kallio Church is a landmark Lutheran church located in the Kallio district of Helsinki. Completed in 1912 and designed by architect Lars Sonck, it is a striking example of Finnish National Romantic architecture, built in granite and set atop a prominent hill overlooking the city. The church is renowned for its monumental tower, its distinctive Art Nouveau details, and its impressive organ and acoustics, making it both an important place of worship and a cultural venue in the Finnish capital.