The Norwegian Mapping Authority (NMA) (Norwegian: Statens kartverk or Kartverket) is Norway's national mapping agency, dealing with land surveying, geodesy, hydrographic surveying, cadastre and cartography.
It is a public agency under the Ministry of Local Government and Regional Development.
The Mapping and Cadastre establish and manage spatial data covering Norwegian land areas, in cooperation with municipalities and different public agencies.
The Hydrographic Service has the operational responsibility for the international electronic navigational chart centre Primar, based in Stavanger.
[2] In 2004 some commercial activity of the Authority was divested to the then Ugland IT group, later renamed Nordeca.