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.

Cajamarca is a department and region in Peru. The capital is the city of Cajamarca. It is located in the north part of the country and shares a border with Ecuador. The city has an elevation of 2,700 metres (8,900 ft) above sea level in the Andes Mountain Range, the longest mountain range in the world. Part of its territory includes the Amazon Rainforest, the largest in the world.