Codes used in several countries
HB on a licence plate
HB is an area code in 6 countries. The plate's style and country code tell them apart.
Austria
HB 123ABCode details →Hartberg-Fürstenfeld (Styria)
No longer issued
Germany
HB-AB 1234Code details →Bremen, Bremerhaven (Bremen)
named after Hansestadt Bremen
Greece
HB-1234Code details →Athens
Norway
HB 12345Code details →Innlandet
named after Elverum
Ukraine
HB 1234 BCCode details →Luhansk Oblast
United Kingdom
HB51 ABCCode details →Bournemouth (Hampshire and Dorset)