Codes used in several countries
WN on a licence plate
WN is an area code in 4 countries. The plate's style and country code tell them apart.
Austria
WN 123ABCode details →Wiener Neustadt (Lower Austria)
Germany
WN-AB 1234Code details →Rems-Murr-Kreis (Baden-Württemberg)
named after Waiblingen
Poland
WN 12345Code details →Warszawa (Masovian)
United Kingdom
WN51 ABCCode details →Bristol (West of England)