The Inca were an indigenous people who lived in the Andes region of South America. Their empire, known as the Inca Empire, was centered in what is now Peru and spanned over 2,000 miles from north to south. The Inca Empire was the largest empire in the pre-Columbian Americas and one of the largest empires in the world at its peak.
Aztec:
The Aztecs were an indigenous people who lived in central Mexico. Their empire, known as the Aztec Empire, was centered in what is now Mexico City. The Aztec Empire was the largest empire in Mesoamerica and one of the largest empires in the world at its peak.