ISO 3166-2:PK is the entry for Pakistan 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 Pakistan, ISO 3166-2 codes are defined for 1 federal capital territory, 4 provinces, and 2 Pakistan administered areas. The Islamabad Capital Territory contains the capital of the country Islamabad and has special status equal to the provinces and territory.
Each code consists of two parts, separated by a hyphen. The first part is PK, the ISO 3166-1 alpha-2 code of Pakistan. The second part is two letters.