Codes used in several countries

HM on a licence plate

HM is an area code in 4 countries. The plate's style and country code tell them apart.

Germany
HM-AB 1234
Hameln-Pyrmont (Lower Saxony)
Code details →
Greece
HM-1234
Imathia
Code details →
Ukraine
HM 1234 BC
Sumy Oblast
Code details →
United Kingdom
HM51 ABC
Portsmouth (Hampshire and Dorset)
Code details →