San Juan, the capital of Puerto Rico, has a population over 1.4 million, constituting a third of the entire island. Surrounding the Bay of San Juan, the metropolitan city of San Juan (area,46.4sqmi/ 122sq.km) is the center of economical and political life in Puerto Rico. The metropolitan area known as San Juan is split into districts, the most
attractive being Old San Juan. Residents of San Juan are known as sanjuaneros.
San Juan is a major port and cruise ship destination, and a popular tourist attraction San Juan is the largest home-based cruise port in the world. Approximately twenty-eight vessels use San Juan as their home port, and each year new cruise ships either originate or call at the port in the West Indies.