Open APIs Löydä kaikki pääkaupunkiseudun avoimet rajapinnat täältä! Submit Last created Popular Relevance Names in ascending order Names in descending order Last modified Go 1 dataset found Base map of the City of Helsinki 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... PNG WMS