Old San Juan is a historic district or quarter located at the "northwest triangle" of San Juan Islet in San Juan, Puerto Rico. Its area roughly correlates to the Ballajá, Catedral, Marina, Mercado, San Cristóbal, and San Francisco sub-barrios (sub-districts) of barrio San Juan Antiguo in the municipality of San Juan, Puerto Rico.\n\nOld San Juan (UNESCO) is one of the most-visited historical sites of San Juan, drawing both local school groups and international travellers.\n\nABOUT THE SITE\nThe history of Old San Juan (UNESCO) reflects the multicultural Caribbean — pre-Columbian Indigenous heritage, the era of European colonisation (Spanish, English, French, Dutch and Danish in various combinations), the African diaspora through the trans-Atlantic slave trade, emancipation, and the independence movements of the 20th century. Each layer left a tangible mark on the architecture, layout and cultural practices of the area.\n\nPLANNING YOUR VISIT\n- Most heritage sites in San Juan open from morning to mid-afternoon\n- Allow 1-2 hours to explore properly\n- Audio guides or local guides often available — recommended for context\n- Photography permitted in most areas; check for restrictions in chapels or museums\n- Modest dress code applies for religious sites\n- Reasonable physical mobility required (steps, cobblestone)\n\nGETTING THERE\nLocated in San Juan, easily reachable by taxi or rental car. Many cruise excursions include this site on their day-trip itinerary. Check with your hotel concierge for current opening hours and any guided tour availability.