Question: Where did the aztecs live in south america?
Disambiguated questions and answers: question: Where did the Aztecs live in South America that is now the center of Mexico City?
Where in South America that was in the central Mexican plateau region of Mesoamerica, did the Aztecs live?
Where did the Aztecs live in South America that was on the site that is now the neighborhood of Tacuba in Mexico City?
answer: Tenochtitlan
Texcoco
Tlacopan
Natural Questions answer: central Mexico (from the Wikipedia article "Aztecs")