Capital of Puerto Rico: San Juan Capital of Guam: Hagåtña Capital of the U.S. Virgin Islands: Charlotte Amalie Capital of American Samoa: Pago Pago Capital of the Northern Mariana Islands: Saipan Which sea is Puerto Rico in?: The Caribbean Sea Which ocean is Guam in?: The Pacific Ocean Which ocean are American Samoa and the Northern Marianas in?: The Pacific Ocean Which Caribbean territory is made of St. Thomas, St. John and St. Croix?: The U.S. Virgin Islands Is Washington, D.C. a state?: No, it is a federal district What does D.C. stand for?: District of Columbia Which two states border Washington, D.C.?: Maryland and Virginia Which river runs beside Washington, D.C.?: The Potomac River How many states are in the United States?: 50 Which two states are not part of the lower 48 mainland?: Alaska and Hawaii Which was the newest state to join the United States?: Hawaii, in 1959 Which was the first state in the nation, by ratifying the Constitution?: Delaware Which language is widely spoken, along with English, in Puerto Rico?: Spanish Free flashcards from Peabody at peabody.kids/flashcards/geo-us-territories-dc