Puerto Rico - a self-governing commonwealth associated with the United States occupying the island of Puerto Ricocommonwealth - the official name of some states in the United States (Massachusetts and Pennsylvania and Virginia and Kentucky) and associated territories (Puerto Rico) Caribbean - region including the Caribbean islands San Juan - the capital and largest city of Puerto Rico Culebra - a small island off the coast of Puerto Rico with miles of beautiful beaches Vieques - a small island off the coast of Puerto Rico used for target practice by the United States Navy |