헬싱키 대성당 is a prominent landmark located in 헬싱키, the capital of 핀란드. Completed in 1852, it was designed by architect Carl Ludvig Engel in the Neoclassical style. The cathedral features a striking white façade and a green dome, making it a popular attraction for both tourists and locals. The cathedral serves as the seat of the Evangelical Lutheran Church of Finland and is dedicated to Saint Nicholas, the patron saint of Finland. Its grand interior includes beautiful altarpieces and a serene atmosphere, inviting visitors to appreciate its architectural beauty and historical significance.