Suomenlinna

Suomenlinna (), or Sveaborg (), is a sea fortress composed of eight islands, of which six have been fortified. Located about southeast of the city center of Helsinki, Finland, Suomenlinna is a popular destination for both tourists and locals, who enjoy it as a picturesque picnic site.

Swedish admiral and shipbuilder (1721-1808)

Swedish military officer, military architect, and artist (1710-1772)

Finnish submarine museum ship

church in Helsinki, Finland

1906 Russian military mutiny

Swedish admiral

thumb|Lonna as seen from the sea Lonna (Swedish: Lonnan) is a small island off Helsinki, opposite the Suomenlinna Passenger terminal. The island belongs to the Suomenlinna district. Lonna is about 150 meters long and the distance to the mainland is about 1.5 kilometers.

part of the Military Museum of Finland

1756-1823 coastal protection branch of Sweden's military

thumb|right|Kuninkaanportti or ( in Finnish and Swedish respectively) is the principal entrance to the Suomenlinna () fortress outside Helsinki. It is on the southernmost island of Suomenlinna, in front of the Kustaanmiekka strait, and is considered the main symbol of Suomenlinna.

52nd neighbourhood of Helsinki, Finland

1855 battle of the Crimean War

Russian fortifications in World War I

Finnish concentration camp