Santiago, also known as Santiago de Chile, is the capital and largest city of Chile as well as one of the largest cities in the Americas. It is the center of Chile's largest and most densely populated conurbation, the Santiago Metropolitan Region, whose total population is 7 million. The city is entirely located in the country's central valley. Most of the city lies between 500 m (1,640 ft) and 650 m (2,133 ft) above mean sea level.