The Buildings in Helsinki data contains information on buildings from two different sources. Map features (layer Rakennukset_alue) are based on the building areas of the base map maintained by City Survey Services....
The Helsinki district division data includes the boundary lines of the districts within the city, as well as the names and identifiers of the areas. The district division system of Helsinki is a regional division of...
The electoral districts of the Helsinki Metropolitan Area is an map published by the cities of Helsinki, Espoo, Kauniainen and Vantaa, describing the voting districts approved by the central election committees, the...