Guam with its capital Hagåtña is located in Oceania (Oceania, island in the North Pacific Ocean). It covers some 550 square kilometres (three times the size of Washington, DC) with 168,564 citizens. English and Chamorro are the some of the languages spoken by the majority in Guam.
Guam is an island in the western South Pacific Ocean, about three-quarters of the way from Hawaii to the Philippines. It is the largest and southernmost island in the Mariana Islands archipelago. Guam is a territory of the United States of America. It is considered to occupy a militarily strategic location, south of the Commonwealth of the Northern Mariana Islands.

GUAM...
© mandegan
Almost Paradise
© scott cameron
Statue of Chef Quipuha...
© hasano_jp
GUAM
© scott cameron
GUAM
© scott cameron
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The terrain offers volcanic origin, surrounded by coral reefs having relatively flat coralline limestone plateau (source of most fresh water), with steep coastal cliffs and narrow coastal plains in north, low hills in center, mountains in south. The average density of population is about 307 per km². The climate in Guam can be described as tropical marine with generally warm and humid, moderated by northeast trade winds, dry season (January to June), rainy season (July to December), little seasonal temperature variation. Possible natural disasters include frequent squalls during rainy season or relatively rare but potentially destructive typhoons (June - December).
To reach someone in Guam dial +1-671 prior to a number. There are 65,500 installed telephones. And there are 98,000 registered mobile phones. The cellular networks operate on frequencies of 1900 Mhz. Websites typically end with the top level domain ".gu". If you want to bring electric appliances (e.g. battery charger), keep in mind the local 110V - 60Hz. The following list are the 19 regions/states in Guam we know off.
In the year 2010, the total Guamanian population grew at a rate of 1.35% (or by 2,434 citizens). With 839 deaths and 3,274 babies born, the natural increase rate lies at 1.35%. 0 persons more in total immigrated to the country than emmigrated.
An overview of age distribution in Guam: Each pair of bars represents a single age group (male/female). Each group is spanning 5 years. E.g. 0 to 5 years, 5 to 10 etc. and group "0 to 5" being at the left end and "100 +" at the right end of the chart.
The number of people born in Guam has declined over the last 10 years by 4.5 births per thousand from 22.6 in 2001 to 18.1 in 2010. Currently, 3,274 children are born each year.
The number of people naturally dying in Guam has rised over the last 10 years by 0.5 deaths per thousand from 4.4 in 2001 to 4.6 in 2010. Currently, 839 people die each year.
Based on content from wikitravel.org. The original article can be found here based on the work of these users.
Geographic information is based on the data provided by geonames.org, CIA factsbook and Unesco.