UNITED STATES OF AMERICA

PUERTO RICO: Puerto Rico is bordered on the north by the Atlantic Ocean, on the east by the Virgin Passage (which separates it from the Virgin Islands), on the south by the Caribbean Sea, and on the west by the Mona Passage.

U.S. VIRGIN ISLANDS: Group of 3 islands and about 50 islets, most of which are inhabited, in the lesser Antilles, chain of the West Indies, east of Puerto Rico and lying between the Caribbean Sea and the Atlantic Ocean.