![Suomenlinna ilmasta käsin lumipeitteisenä.](https://frantic.s3.eu-west-1.amazonaws.com/suomenlinna/2020/01/27131341/Suomenlinna-Unesco-merilinnoitus-944x530.jpg)
Fortress and history
Situated on a group of islands off Helsinki, Suomenlinna was built during the Swedish era as a maritime fortress and a base for the Archipelago Fleet. Work on the fortress began in 1748.
Situated on a group of islands off Helsinki, Suomenlinna was built during the Swedish era as a maritime fortress and a base for the Archipelago Fleet. Work on the fortress began in 1748.