The Charca people were an indigenous peoples who spoke an Aymaran language that inhabited the Chuquisaca Department of Bolivia prior to the arrival of the Spaniards. They were subjects of the Inca Empire and suffered incursions of the Chiriguanos.
Portuguese conquistador Aleixo Garcia is believed to be the first Caucasian person to make contact with the Charcas in the year 1525.
The city of Sucre was founded in 1538 in Charcas land.
References
Charca people Wikipedia(Text) CC BY-SA