American Territory is a term used to refer to the territories of the United States, which are not part of any U.S. state. Two examples of American Territories are Guam and Samoa. Guam is an island in the western Pacific Ocean and is the largest and southernmost of the Mariana Islands. It is a territory of the United States and is an organized, unincorporated territory of the United States. Samoa is an archipelago located in the South Pacific Ocean and is composed of two main islands, Upolu and Savai'i. It is an unincorporated territory of the United States and is administered by the Office of Insular Affairs of the United States Department of the Interior.