Continent;OC CQ;27 ITU;64 13°30’North 144°48’East UTC+10 (JST+1) グアム島は、マリアナ諸島 南端の島、アメリカ合衆国の準州であり日本 から最も近いアメリカ合衆国です。 Guam is an organized, unincorporated trritory of the United States in Micronesia subregion of the Western Pacific Ocean.
It is the westernmost point and territory of the United States, reckoned from the geographic center of the U.S..
In Oceania, Guam is the largest and southernmost of the Mariana Islands and the largest island in Micronesia.