Codes used in several countries
WM on a licence plate
WM is an area code in 3 countries. The plate's style and country code tell them apart.
Germany
WM-AB 1234Code details →Weilheim-Schongau (Bavaria)
named after Weilheim in Oberbayern
Poland
WM 12345Code details →powiat miński (Masovian)
United Kingdom
WM51 ABCCode details →Bristol (West of England)