Codes used in several countries

DM on a licence plate

DM is an area code in 2 countries. The plate's style and country code tell them apart.

Germany
DM-AB 1234
Mecklenburgische Seenplatte (Mecklenburg-Western Pomerania)
named after Demmin
Code details →
United Kingdom
DM51 ABC
Shrewsbury (Deeside to Shrewsbury)
Code details →