Codes used in several countries
WOS on a licence plate
WOS is an area code in 2 countries. The plate's style and country code tell them apart.
Germany
WOS-AB 1234Code details →Freyung-Grafenau (Bavaria)
named after Schloss Wolfstein
Poland
WOS 12345Code details →powiat ostrołęcki (Masovian)
Germany
Poland