Where did the The Maya and Aztec civilizations existed in before the Europeans arrived.?

The Maya civilization thrived in Mesoamerica, primarily in present-day southeastern Mexico, Guatemala, Belize, and parts of Honduras and El Salvador. The Aztec civilization, on the other hand, was centered in central Mexico, with its capital at Tenochtitlán, located on what is now Mexico City. Both civilizations developed complex societies with advanced knowledge in agriculture, astronomy, and architecture well before European contact.