Codes used in several countries
WD on a licence plate
WD is an area code in 4 countries. The plate's style and country code tell them apart.
Austria
WD 123ABCode details →Vienna
Ireland
241-WD-12345Code details →Waterford
named after Waterford County
No longer issued
Poland
WD 12345Code details →Warszawa (Masovian)
United Kingdom
WD51 ABCCode details →Exeter (West of England)