Codes used in several countries
WS on a licence plate
WS is an area code in 3 countries. The plate's style and country code tell them apart.
Germany
WS-AB 1234Code details →Mühldorf am Inn (Bavaria), Rosenheim (Bavaria)
named after Wasserburg am Inn
Poland
WS 12345Code details →Siedlce (Masovian)
United Kingdom
WS51 ABCCode details →Bristol (West of England)