The Incas in Arica – Ancient Monuments and the Lauca National Park The Region of Arica and Parinacota was once territory of the Inca, settled by Aymaras, Chinchorros, Changos and Quechuas. In the pre-columbic epoch the messengers of the Inca, called Chasquis, travelled very fast between the Tambos (constructions that were used as accommodation, resting...