The INCA Empire was a South American empire that flourished in the 15th and 16th centuries. It was the largest empire in pre-Columbian America and was located in what is now Peru, Bolivia, Ecuador, Chile, Argentina, and Colombia. The INCA Empire was ruled by the Sapa INCA, who was considered to be a divine ruler. The INCA Empire was known for its advanced engineering, architecture, and agricultural techniques. The INCA Empire was eventually conquered by the Spanish in the 16th century.