Codes used in several countries
TG on a licence plate
TG is an area code in 3 countries. The plate's style and country code tell them apart.
Germany
TG-AB 1234Code details →Nordsachsen (Saxony)
named after Torgau
Spain
TG-1234-ABCode details →Spanish Guinea (now Equatorial Guinea)
No longer issued
Switzerland
TG 123456Code details →Thurgau
Germany
Spain
Switzerland