Answer:
Aztec, self name Culhua-Mexica, Nahuatl-speaking people who in the 15th and early 16th centuries ruled a large empire in what is now central and southern Mexico.
Explanation:
The Pacific Ocean borders the West coast of The Aztec Empire and The Gulf of Mexico borders the East coast. The Sierra Madre Del Sur is a mountain range along the West coast and the Sierra Madre Oriental is a mountain range that acts as the Northern barrier for The Aztec Empire.
