The Commonwealth of the Northern Mariana Islands (CNMI) is a commonwealth in political union with (and in practice, close to a territory of) the United States. The islands are in the Micronesia region of the Pacific Ocean, between Japan, the Philippines, and Palau.
The Northern Mariana Islands, together with Guam to the south, compose the Mariana Islands archipelago. The southern islands are limestone, with level terraces and fringing coral reefs. The northern islands are volcanic, with active volcanoes on several islands, including Anatahan, Pagan and Agrihan. The volcano on Agrihan has the highest elevation at 3,166 feet (965 m).
