<Tr> <Td> Puerto Rico </Td> <Td> PR </Td> <Td> Caribbean & North Atlantic </Td> <Td> 0009104! 9,104 km (3,515 sq mi) </Td> <Td> 3,667,084 </Td> <Td> San Juan </Td> <Td> San Juan </Td> <Td> Unincorporated & organized </Td> <Td> April 11, 1899 </Td> </Tr> <Tr> <Td> United States Virgin Islands </Td> <Td> VI </Td> <Td> Caribbean & North Atlantic </Td> <Td> 000346.36! 346.36 km (134 sq mi) </Td> <Td> 106,405 </Td> <Td> Charlotte Amalie </Td> <Td> Charlotte Amalie </Td> <Td> Unincorporated & organized </Td> <Td> March 31, 1917 </Td> </Tr> <Ul> <Li> American Samoa - Territory since 1900 . Locally self - governing under a constitution last revised in 1967 . People born in American Samoa are non-citizen nationals . American Samoa is technically unorganized . The main island is Tutuila . </Li> <Li> Guam - Territory since 1899, Guam is the home of Naval Base Guam and Andersen Air Force Base . </Li> <Li> Northern Mariana Islands - Commonwealth since 1986; formerly a United Nations Trust Territory under the administration of the United States . Sometimes the abbreviation "CNMI" is used (for "Commonwealth of the Northern Mariana Islands"). The main island is Saipan . </Li> <Li> Puerto Rico - Unincorporated territory since 1899, a commonwealth since 1952 . In November 2008, a U.S. District Court judge ruled that a sequence of Congressional actions have had the cumulative effect of changing Puerto Rico's status from "unincorporated" to "incorporated ." However, the issue has not finished making its way through the court system; and the U.S. government still refers to Puerto Rico as unincorporated . A Puerto Rico attorney has called Puerto Rico "semi-sovereign". See the Puerto Rico section in the article, Organized incorporated territories of the United States, and also the article, Political status of Puerto Rico . </Li> <Li> United States Virgin Islands - Purchased by the U.S. from Denmark in 1917 . The main islands are Saint Thomas, Saint John and Saint Croix . </Li> </Ul> <Li> American Samoa - Territory since 1900 . Locally self - governing under a constitution last revised in 1967 . People born in American Samoa are non-citizen nationals . American Samoa is technically unorganized . The main island is Tutuila . </Li>

Places that are part of the united states