San Salvador is the capital and largest city of El Salvador and of its eponymous department. It is the country's largest agglomeration, serving as the country's political, cultural, educational and financial center. The municipality of San Salvador has 525,990 inhabitants (2024). The Metropolitan Area of San Salvador, which comprises the capital itself and 13 of its municipalities, has a population of 2,404,097. The urban area of San Salvador has a population of 1,600,000 inhabitants.
Summary from Wikipedia.