Codes used in several countries
WW on a licence plate
WW is an area code in 4 countries. The plate's style and country code tell them apart.
Germany
WW-AB 1234Code details →Westerwaldkreis (Rhineland-Palatinate)
Ireland
241-WW-12345Code details →Wicklow
Poland
WW 12345Code details →Warszawa (Masovian)
United Kingdom
WW51 ABCCode details →Bristol (West of England)