what ancient city was built upon what is present day mexico city
The city now known as Mexico City was founded as Tenochtitlan by the Aztecs in 1325 and a century later became the dominant city-state of the Aztec Triple Alliance, formed in 1430 and composed of Tenochtitlan, Texcoco, and Tlacopan.he Aztecs were one of the last of the Nahuatl-speaking peoples who migrated to this part of the Valley of Mexico after the fall of the Toltec Empire. Their presence was resisted by the peoples who were already there, but the Aztecs were able to establish a city on a small island on the western side of Lake Texcoco.