The Sinetti archive information system operated by the City of Helsinki Archives provides collection data from archived documents of the City of Helsinki. The document collections mostly comprise permanently retained,...
Municipalities
JSON
Historical guide maps of Helsinki from 1940, 1952, 1962 and 1999. The guide maps include the following Information: place names, streets, roads and railway connections, public buildings, residential areas, industrial...
Municipalities
TIFF
WMS