Codes used in several countries
HU on a licence plate
HU is an area code in 4 countries. The plate's style and country code tell them apart.
Germany
HU-AB 1234Code details →Hanau (Hesse), Main-Kinzig-Kreis (Hesse)
Norway
HU 12345Code details →Innlandet
named after Lillehammer
Spain
HU-1234-ABCode details →Huesca (Aragon)
United Kingdom
HU51 ABCCode details →Portsmouth (Hampshire and Dorset)