In Aztec legend, the original home of the Aztec people, held to have been located in northwest Mexico.
The American Southwest, specifically the territory of northern Mexico ceded to the United States by the Treaty of Guadalupe Hidalgo in 1848. The term is used especially by Chicano-rights activists.
It is true that Aztlan, the land whence the Aztecs traced their name and source, cannot be identified, but the later stages.
AZTECS (from the Nahuatl word aztlan, " place of the Heron," or "Heron" people), the native name of one of the tribes that occupied the tableland of Mexico on the arrival of the Spaniards in America.
The Aztecs came, according to native tradition, from a country to which they gave the name of Aztlan, usually supposed to lie towards the north-west, but the satisfactory localization of it is one of the greatest difficulties in Mexican history.
The date of the exodus from Aztlan is equally undetermined, being fixed by various authorities in the 11th and by others in the 12th century.
The Aztecs began as a wandering tribe whose historical origins are unknown, although they themselves recorded their mythical place of origin as Aztlan.