ISO 3166-2:GY is the entry for the Co-operative Republic of Guyana 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 Guyana, ISO 3166-2 codes are defined for 10 regions.
Each code consists of two parts, separated by a hyphen. The first part is GY, the ISO 3166-1 alpha-2 code of Guyana. The second part is two letters.