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Base data and reference systems


21. December 2022

Coordinate reference systems

Systems for uniquely referencing spatial information in space as a set of coordinates (x, y, z) and/or latitude and longitude and height, based on a geodetic horizontal and vertical datum.

21. December 2022

Geographical names

Names of areas, regions, localities, cities, suburbs, towns or settlements, or any geographical or topographical feature of public or historical interest.

21. December 2022

Administrative units

Units of administration, dividing areas where Member States have and/or exercise jurisdictional rights, for local, regional and national governance, separated by administrative boundaries.

21. December 2022


Location of properties based on address identifiers, usually by road name, house number, postal code.

21. December 2022

Cadastral parcels

Areas defined by cadastral registers or equivalent.