In the NUTS (Nomenclature of Territorial Units for Statistics) codes of Luxembourg (LU), the three levels are:
Level Subdivisions # NUTS 1 — 1 NUTS 2 — 1 NUTS 3 — 1
NUTS codes LU0 Luxembourg LU00 Luxembourg LU000 Luxembourg
Local administrative units
Until 2017 Below the NUTS levels, the two LAU (Local Administrative Unit) levels are: Level Subdivisions # LAU 1 Cantons 12 LAU 2 Communes 102
The LAU codes of Luxembourg can be found in this spread sheet of all 28 EU member states LAU codes here, current as of 2018:
Since 2017 Level Subdivisions # LAU Communes 102
See also Subdivisions of Luxembourg ISO 3166-2 codes of Luxembourg FIPS region codes of Luxembourg
Sources Hierarchical list of the Nomenclature of territorial units for statistics - NUTS and the Statistical regions of Europe Overview map of EU Countries - NUTS level 1 LUXEMBOURG - NUTS level 2 LUXEMBOURG - NUTS level 3 Correspondence between the NUTS levels and the national administrative units List of current NUTS codes Download current NUTS codes (ODS format)