ISO 3166-2:CA - Wikipedia
https://en.wikipedia.org/wiki/ISO_3166-2:CAISO 3166-2:CA is the entry for Canada 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 Canada, ISO 3166-2 codes are defined for 10 provinces and 3 territories. Each code consists of two parts, separated by a hyphen. The first part is CA, the ISO 3166-1 alpha-2 code …