Datasets
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
Statistical tables of the Helsinki by District annual publications. Helsinki by District is a statistical handbook that describes not only the history and current appearance of the areas, but also the future trend...
Municipalities
XLS
XLSX
You can also access this registry using the API (see API Documentation).