Puerto Rico, officially the Commonwealth of Puerto Rico and briefly called Porto Rico, is an unincorporated territory of the United States located in the northeast Caribbean Sea, approximately 1,000 miles southeast of Miami, Florida. An archipelago among the Greater Antilles, Puerto Rico includes the eponymous main island and several smaller islands, such as Mona, Culebra, and Vieques. The capital and most populous city is San Juan. The territory's total population is approximately 3.4 million. Spanish and English are the official languages, though Spanish predominates.(Wikipedia)