Cusco is a city in southeastern Peru, near the Urubamba Valley of the Andes mountain range. In 2017, the city had a population of 428,450. Located on the eastern end of the Knot of Cuzco, its elevation is around 3,400 m.
The site was the historic capital of the Inca Empire from the 13th until the 16th-century Spanish conquest. In 1983, Cusco was declared a World Heritage Site by UNESCO with the title "City of Cuzco". It has become a major tourist destination, hosting nearly 2 million visitors a year.