Built 250 years ago, the sea fortress of Suomenlinna (the second name - "Sveaborg") is the jewel of Finland: a green oasis, surrounded by fresh air, just 15 minutes ferry ride from the city centre. Its Museum, galleries, restaurants, cafes, parks and coastline attract not just pop in for a moment, and to spend the whole day there, which will long remain in memory. "Suomenlinna" is included in the list of world heritage of UNESCO.

According to the decision of the Swedish Parliament in the eighteenth century began the construction of Sveaborg, the most powerful fortress in the whole Northern Kingdom. The Fort, built to protect the entrance to the harbour in Helsinki in 1918, together with the independence of Finland was named Suomenlinna, "Finnish fortress". Individual fortifications are located on six Islands near the coast. Four Islands that form a defensive line and in the middle is the former administrative centre. Although during its history, the fortress has never been taken by storm, its advocates successfully resisted the Russian army in 1809, and in 1855, during the Crimean war, the fortress came under fire from the British ships.

Now on the territory of the fortress are: the Museum "Suomenlinna"; Museum Ehrensvard; Museum of toys and dolls; submarine "Vesikko"; the Museum of coastal artillery; Customs Museum, etc.