Codes used in several countries
TM on a licence plate
TM is an area code in 4 countries. The plate's style and country code tell them apart.
Greece
TM-1234Code details →Argolis
Romania
TM 12 ABCCode details →Timiș
Serbia
TM 123-ABCode details →Kosovo and Metohija
named after Titova Mitrovica
No longer issued
Ukraine
TM 1234 BCCode details →Zhytomyr Oblast
Greece
Romania
Serbia
Ukraine