Tenochtitlan was the capital of the aztec empire. Tenochtitlan consisted on one large mexica city-state. It was located on an island in Lake Texcoco. It was founded c. 1325.
The Aztec empire was an alliance of three Nahua altepetl city-states so that it was also known as the Triple Alliance. It is among the most popular Mesoamerican cultures that flourished prior to the arrival of Europeans in the early 16th century.
Tenochtitlan was destroyed by the Spanish conquistadores led by Hernán Cortés in 1521.