San Juan is the capital city and most populous municipality in the Commonwealth of Puerto Rico, an unincorporated territory of the United States. As of the 2020 census, it is the 57th-most populous city under the jurisdiction of the United States, with a population of 342,259. San Juan was founded by Spanish colonists in 1521, who called it Ciudad de Puerto Rico.
AdSpend Your Trip Making Memories, Not Missing Out While You're Waiting in Line. If It's Worth Doing, We've Got It. Find the Best Tours & Activities for Your Trip.
Incredible experiences · Thousands of destinations · Top attraction tickets · Skip-the-line tickets