The base map of Helsinki is a large-scale (1:500) map maintained by the Urban Environment Division’s City Survey Services and used as a basis for city planning and civil engineering. The base map serves as a map...

The weekly updated accurate water areas in color. Together with wide streams and ditches. Pier structures are visible. The recommended scale is 1:1000-1:10000. Coordinate systems: Maintained in ETRS-GK25 (EPSG:3879)...