The Aztec civilization made a significant impact on the history and culture of Central America. When referring to the region where their empire once ruled, several synonyms for "Aztec country" come to mind. One alternative is the "Valley of Mexico," which includes the modern-day capital, Mexico City. Another option is the "Mexica Empire," derived from the Nahuatl word for Aztecs. "Mesoamerica" refers to the broader cultural and geographic region that includes the Aztec civilization as well as others like the Maya and Olmec. Other options include "Tenochtitlan," named after the Aztec capital, or simply "Aztec territory" or "Aztec land".