ISO 3166-2:CM is the entry for Cameroon 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 Cameroon, ISO 3166-2 codes are defined for 10 regions.
Each code consists of two parts, separated by a hyphen. The first part is CM, the ISO 3166-1 alpha-2 code of Cameroon. The second part is two letters.
Read more about ISO 3166-2:CM: Current Codes