Codes used in several countries
HZ on a licence plate
HZ is an area code in 4 countries. The plate's style and country code tell them apart.
Germany
HZ-AB 1234Code details →Harz (Saxony-Anhalt)
Greece
HZ-1234Code details →Heraklion
Norway
HZ 12345Code details →Innlandet
named after Otta
United Kingdom
HZ51 ABCCode details →Tyrone (Northern Ireland)