Guam is an organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean.
Guam’s capital is Hagåtña, and the most populous village is Dededo.
It is the westernmost point and territory of the United States; in Oceania, it is the largest and southernmost of the Mariana Islands and the largest island in Micronesia.
The island is sharply divided into a northern limestone plateau with a general elevation of about 500 feet (150 metres) and a higher area of volcanic hills to the south.
The plateau is covered with a thick growth of jungle, while the volcanic hills support mainly sword grass.
The hills rise to an elevation of more than 1,000 feet (300 metres); their lower slopes to the east (and also, in part, to the west) are covered with younger limestones, generally similar to those of the northern limestone plateau.
The island rises to 1,332 feet (406 metres) at Mount Lamlam, in the southwest.
To the southeast of Mount Lamlam is another major hill, Mount Bolanos (1,240 feet [378 metres]).
Native Guamanians, ethnically called Chamorros, are of basically Malayo-Indonesian descent with a considerable admixture of Spanish, Filipino, Mexican, and other European and Asian ancestries.
Chamorros and other Micronesians constitute about half the population.
Nearly one-third of the people are Asians, notably Filipinos and Koreans, and there is a small minority of people of European ancestry.
About three-fourths of the people are Roman Catholic, and one-eighth are Protestant.
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