There were several empires in the Mexican highlands. These included the Teotihuacan, Toltec Empire, and the Aztec Empire. The Aztecs are the most famous of the empires.
Second Mexican Empire was created in 1864.
First Mexican Empire was created in 1822.
The Aztec empire.
The Incan Empire
I think you are referring to the commonly known Aztec Empire. However, they referred to themselves as the "mexica" (pronounced "meshika") people. Their capital city was Tenochtitlan, located on an "island" in the "Lago (Lake) Texcoco." They were conquered by the Spaniards, lead by Hernan Cortes, in 1521.
Church of the Highlands was created in 2001.
My Heart's in the Highlands was created in 1954.
The Rjurik Highlands was created in 1996.
Highlands Highway was created in 195#.
Highlands Links was created in 1941.
Highlands Coffee was created in 1998.
Highlands Herald was created in 1997.