ISO 3166-2:RS is the entry for Serbia 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 Serbia, ISO 3166-2 codes are defined for two levels of subdivisions:
The city Belgrade is the capital of the country and has special status equal to the districts.
Each code consists of two parts, separated by a hyphen. The first part is RS, the ISO 3166-1 alpha-2 code of Serbia. The second part is either of the following:
The digits for the city and districts are assigned as follows:
Before the dissolution of Serbia and Montenegro in 2006, Serbia was assigned the ISO 3166-2 code CS-SR under the entry for Serbia and Montenegro.