Uusimaa

By Travelog Editorial Team · Updated August 8, 2026

Uusimaa is Travelog's home for Helsinki, anchored by the Fortress of Suomenlinna, inscribed by UNESCO in 1991 under criterion (iv), a sea fortress built gradually from 1748 onward across six separate islands, covering 210 hectares with roughly 200 buildings and 6 kilometers of defensive walls.

Suomenlinna's genuine scale, six islands, 210 hectares, roughly 200 buildings, is worth knowing before treating it as a single small fort, live below with its full landmark coverage.