Final answer:
If you find yourself on the land that was once Tenochtitlan, you are in Mexico City.
Step-by-step explanation:
If you find yourself on the land that was once Tenochtitlan, you are in Mexico City, which is the modern-day national capital. Tenochtitlan was the capital city of the Aztec Empire and was later conquered by Hernán Cortés of Spain in 1521. Today, Mexico City stands on the same site where Tenochtitlan once thrived.