The capital city of the Aztec Empire was Tenochtitlan. Located on an island in Lake Texcoco, in present-day Mexico City, Tenochtitlan was the political, cultural, and economic center of the empire. Founded in 1325, it featured advanced engineering and infrastructure, including canals, causeways, and impressive temples. The city was a bustling hub, characterized by its vibrant markets and a complex society that included intricate social, religious, and political structures. Tenochtitlan was a significant example of pre-Columbian urban design and remains a central focus of study for historians exploring the Aztec civilization's achievements and its eventual fall to Spanish conquistadors.