Indigenous peoples, also called ''"originarios"'' ("native" or "original") and less frequently, ''Amerindians'', could be categorized by geographic area, such as Andean, like the Aymaras and Quechuas (who formed the ancient Inca Empire), who are concentrated in the western departments of La Paz, Potosí, Oruro, Cochabamba and Chuquisaca. There also are ethnic populations in the east, composed of the Chiquitano, Chané, Guaraní and Moxos, among others, who inhabit the departments of Santa Cruz, Beni, Tarija and Pando.