Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. ISO 3166-2:GQ is the entry for Equatorial Guinea 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. Each code consists of two parts, separated by a hyphen. The first part is GQ, the ISO 3166-1 alpha-2 code of Equatorial Guinea.