The postal abbreviation for Puerto Rico is PR. 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 (1,600 km) 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. Puerto Rico's unique heritage, culture, and natural beauty has made it a top tourism destination.

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