Codes used in several countries
GF on a licence plate
GF is an area code in 3 countries. The plate's style and country code tell them apart.
Austria
GF 123ABCode details →Gänserndorf (Lower Austria)
Germany
GF-AB 1234Code details →Gifhorn (Lower Saxony)
United Kingdom
GF51 ABCCode details →Maidstone (Garden of England)