What is the name of the magnificent Aztec city?

The magnificent Aztec city is called Tenochtitlán. Founded in 1325, it was located on an island in Lake Texcoco and became one of the largest cities in the world at its height. Tenochtitlán was known for its impressive architecture, including temples and palaces, as well as its complex canals and causeways. Today, its ruins are located beneath modern-day Mexico City.