<Tr> <Th> Internet TLD </Th> <Td>. gu </Td> </Tr> <Tr> <Td_colspan="2"> Website guam.gov </Td> </Tr> <P> Guam (/ ˈɡwɑːm / (listen); Chamorro: Guåhån (ˈɡwɑhɑn)) is an unincorporated and organized territory of the United States in Micronesia in the western Pacific Ocean . The capital city of Guam is Hagåtña and the most populous city is Dededo . The inhabitants of Guam are called Guamanians, and they are American citizens by birth . Indigenous Guamanians are the Chamorros, who are related to other Austronesian natives to the west in the Philippines and Taiwan . </P> <P> In 2016, 162,742 people resided on Guam . Guam has an area of 210 square miles (540 km) and a population density of 775 per square mile (299 / km). In Oceania, it is the largest and southernmost of the Mariana Islands and the largest island in Micronesia . Among its municipalities, Mongmong - Toto - Maite has the highest population density at 3,691 per square mile (1,425 / km), whereas Inarajan and Umatac have the lowest density at 119 per square mile (46 / km). The highest point is Mount Lamlam at 1,332 feet (406 m) above sea level . Since the 1960s, the economy has been supported by two industries: tourism and the United States Armed Forces . </P>

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