Cajamarca, also known by the Quechua name, Kashamarka, is the capital and largest city of the Cajamarca Region as well as an important cultural and commercial center in the northern Andes. It is located in the northern highlands of Peru at approximately 2,750 m (8,900 ft) above sea level in the valley of the Mashcon river. Cajamarca had an estimated population of about 226,031 inhabitants in 2015, making it the 13th largest city in Peru.

Yanacocha is a gold mine in the Cajamarca region of the Northern Highlands of Peru. Considered to be the fourth largest gold mine in the world, it produced 0.97 million ounces of gold in 2014. The 251-square kilometer open pit mine is situated about 30 kilometers north of Cajamarca, in high pampa, straddling the watershed. The operation is a joint venture between Newmont Goldcorp, Compañia de Minas Buenaventura (43.65%) and the International Finance Corporation (5%).