Old detailed plans of Helsinki. The detailed plan maps for years 1820, 1838 and 1878 can be downloaded as TIFF-files. The guidemaps for all years can be found through WMS API. Previewing the data in the kartta.hel.fi...
Municipalities
WMS
TIFF
The City of Helsinki Urban Environment Division manages the city’s public areas and gives the necessary landowner’s consent for the land use of public areas (e.g. construction, installation of structures, events,...
Municipalities
WMS
WFS