The American Pacific Territory is composed of two main islands, Samoa and Guam. Samoa is a sovereign state in the South Pacific Ocean with a population of about 200, 000 people. It is located east of the International Date Line and is composed of two main islands, Upolu and Savai'i. Guam is an unincorporated territory of the United States located in the western Pacific Ocean. It has a population of about 160, 000 people and is the largest and southernmost of the Mariana Islands.