Codes used in several countries
GN on a licence plate
GN is an area code in 2 countries. The plate's style and country code tell them apart.
Germany
GN-AB 1234Code details →Main-Kinzig-Kreis (Hesse)
named after Gelnhausen
United Kingdom
GN51 ABCCode details →Maidstone (Garden of England)
Germany
United Kingdom