Collasuyu

Qullasuyu (Quechua and Aymara spelling, listen; Collasuyu, Kholla Suyu; Spanish: Collasuyo) was the southeastern provincial region of the Inca Empire. Qullasuyu is the region of the Qulla and related specifically to the native Qulla Quechuas who primarily resided in areas such as Cochabamba and Potosí. Most Aymara territories which are now incorporated into the modern South American states of northern Chile, Peru, Bolivia and the Argentine Northwest were conquered during the reign of Sapa IncaHuayna Cápac in the sixteenth century.