Datasets
You can use the address interface of Uusimaa to search for official addresses and their coordinates for the entire Uusimaa region. The interface provides the coordinates, postal code and municipality name for the...
Municipalities
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XML
Helsinki Metropolitan Area (Helsinki, Espoo, Vantaa and Kauniainen) service register REST API. The interface offers possibilities to make queries and use the data in the Helsinki, Espoo, Vantaa and Kauniainen Service...
Municipalities
JSON
XML
You can also access this registry using the API (see API Documentation).