ISO 3166-2:BG ISO 3166-2:BG ISO 3166-2:BG is the entry for Bulgaria in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. Currently for Bulgaria, ISO 3166-2 codes are defined for 28 districts. Each code consists of two parts, separated by a hyphen. The first part is , the ISO 3166-1 alpha-2 code of Bulgaria. The second part is two digits (01–28). The codes are assigned in Bulgarian alphabetical order. Subdivision names are listed as
Vehicle registration plates of Serbia Vehicle registration plates of Serbia Vehicle registration plates of Serbia are issued using a two-letter region code, followed by three or four-digit numeric and a two-letter alpha license code, separated by a hyphen (e.g., BG 123-AA or BG 1233-AA). The regional code and the license code are separated by the Serbian shield and a Cyrillic letter combination for the region below. A blue field is placed along the left side edge, as in European Union countries, bearing the ISO 3166-1 alpha-3 country code for Serbia (SRB). License numeric code contains combination of three digits (0-9), while two letter alpha code