Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. ISO 3166-2:MH is the entry for the Marshall Islands 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. The municipalities are inhabited atolls or islands. Each code consists of two parts, separated by a hyphen. The first part is MH, the ISO 3166-1 alpha-2 code of the Marshall Islands.