Codes used in several countries
NK on a licence plate
NK is an area code in 6 countries. The plate's style and country code tell them apart.
Austria
NK 123ABCode details →Neunkirchen (Lower Austria)
Germany
NK-AB 1234Code details →Neunkirchen (Saarland)
Greece
NK-1234Code details →Thessaloniki
Montenegro
NK AB 123Code details →Nikšić
Norway
NK 12345Code details →Telemark
named after Skien
United Kingdom
NK51 ABCCode details →Newcastle (North)