Discussion on defining district borders for San Juan is in progress. If you know the city pretty well, please share your opinion on the talk page .
San Juan is the capital of, and at about 395,000, the largest city in, Puerto Rico . It has one of the best harbors in the Caribbean. The city will celebrate its 5th Century in 2008 or 2021, depending if they count from the founding of Caparra or the act of moving the Caparra settlement to Puerto Rico isle (Old San Juan )