Knowra San Juan San Juan San Juan is the capital and largest city of Puerto Rico, founded by Spanish colonists in the early sixteenth century. Its historic walled district preserves major examples of Spanish colonial architecture in the Caribbean.
Old San Juan : The historic district on a small islet at the entrance to San Juan Bay, known for colonial architecture and fortifications. Its streets, plazas, and buildings preserve the city’s early urban core.
Juan Ponce de León : A Spanish conquistador and colonial governor who led the early Spanish colonization of Puerto Rico. He established the first Spanish settlement on the island before the capital shifted to San Juan.
San Juan Bay : A natural harbor on Puerto Rico’s northern coast, opening to the Atlantic Ocean beside San Juan. Its sheltered waters made the city a strategic port and naval stronghold.
Government of Puerto Rico : The political system established by Puerto Rico’s constitution, comprising executive, legislative, and judicial branches. San Juan houses the territory’s central government institutions.
El Morro : A sixteenth-century citadel guarding the entrance to San Juan Bay, formally named Castillo San Felipe del Morro. This coastal fortress defended San Juan against seaborne attacks.
Caparra : The first Spanish colonial settlement in Puerto Rico, founded inland from present-day San Juan in 1508. Its relocation to the coast preceded the rise of San Juan as the island’s capital.
Caribbean Sea : A tropical sea of the Atlantic Ocean bounded by the Greater and Lesser Antilles, Central America, and northern South America. San Juan’s position placed it on major Caribbean routes between Europe and the Americas.
Puerto Rico status referendum, 2020 : A nonbinding referendum in which Puerto Rican voters were asked whether the island should become a U.S. state. The political-status debate remains part of public life in the capital.
Castillo San Cristóbal : A Spanish fortification built in San Juan to defend the city against land-based attacks. Its scale and layered defenses reveal how the city protected its eastern approaches.
Spanish colonization of Puerto Rico : Spain’s conquest and settlement of Puerto Rico, beginning in 1508 and lasting until 1898. San Juan became the colonial administration’s principal Caribbean stronghold.
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