Suomenlinna is a Unesco World Heritage site and one of the most popular tourist attractions in Finland. Visitors are not charged an admission fee – you only need to pay for the ferry crossing. Suomenlinna is also a borough of Helsinki.
The main sights are situated along the blue route which runs across the fortress.Watch a video of the blue route.
A guided tour is the best way to learn about the fortress and its history. There are also six interesting museums in Suomenlinna.