North MacedoniaThere is a blue field on the left side with the international country code for North Macedonia – NMK (formerly MK). The country in which a motor vehicle's vehicle registration plate was issued may be indicated. Automobile codes required to identify the country of registration of the vehicle. Number Plate · Domain · Country · Capital · Region. North Macedonia NMK - (Macedonia MK). was issued may be indicated by an international licence plate country code, formerly known as an.