Politics of Guam
Guam is a presidential representative democracy, whereby the Governor is head of government, and of a multi-party system. Guam is an organized, unincorporated territory of the United States with policy relations between Guam and the US under the jurisdiction of the Office of Insular Affairs.
United States territory
The fifty states, the District of Columbia, and Puerto Rico form the main customs territory of the United States. Special rules apply to foreign trade zones in these areas. Separate customs territories are formed by American Samoa, Guam, Northern Mariana Islands, the U.S. Minor Outlying Islands, and the U.S. Virgin Islands.