In the NUTS (Nomenclature of Territorial Units for Statistics) codes of Sweden (SE), the three levels are:
Prior to 31.12.2007, the codes were as follows:[1] The National Areas of Sweden are 8 second level subdivisions (NUTS-2) of Sweden, created by the European Union for statistical purposes.
The 8 riksområden (Singular : Riksområde) includes the 21 counties of Sweden.
[2] Only Stockholm (SE01) corresponds simply to the homonymous county.
Below the NUTS levels, the two LAU (Local Administrative Units) levels are: The LAU codes of Sweden can be downloaded here: [1] While similar, NUTS 1 doesn't correspond to Lands of Sweden.