Guam (/ˈɡwɑːm/ or /ˈɡwɒm/; Chamorro: Guåhån) is an organized, unincorporated territory of the United States in the western Pacific Ocean. It is one of five U.S. territories with an established civilian government. Guam is listed as one of seventeen Non-Self-Governing Territories by the Special Committee on Decolonization of the United Nations. The island's capital is Hagåtña (formerly named Agana). Guam is the largest and southernmost of the Mariana Islands.