The regional address catalogue contains information about the addresses and place names of properties and plan units located in the area (so-called zero address). The information in the regional address catalogue is...

The database of addresses of Helsinki maintains information about the addresses and place names of properties and plan units located in the area of Helsinki. The street names and other names are in both Finnish and...

Traffic data from Helsinki contains data about motor traffic: traffic volume, speed, amounts of different types of vehicles). The data consists of three different datasets in variable formats (CSV, gis-APIs: WFS and...

The electoral districts of the Helsinki Metropolitan Area is an map published by the cities of Helsinki, Espoo, Kauniainen and Vantaa, describing the voting districts approved by the central election committees, the...