Who were the dominant Indians of Mexico in 1517?

The dominant indigenous people of Mexico in 1517 were the Aztecs, who had established a vast empire that stretched across much of central and southern Mexico. The Aztec empire was characterized by a complex social and political structure, as well as a rich cultural and religious heritage. The Aztecs were skilled builders, engineers, and artists, and their empire was one of the most powerful and influential in the pre-Columbian Americas.