aztecs founded tenochtitlan in 1325 to 1350 a.d. today tenochtitlan is known as
Tenochtitlan Tenochtitlan (Spanish: Tenochtitlan, Spanish pronunciation: [ˈmexiko tenotʃˈtitlan] ( listen)), originally known as México-Tenochtitlán (Classical Nahuatl: Mēxihco-Tenōchtitlan [meːˈʃíʔ.ko te.noːt͡ʃ.ˈtí.t͡ɬan]), was a large Mexica city-state in what is now the center of Mexico City. Founded on June 20, 1325, the city was built on an island in what was then Lake Texcoco in the Valley of Mexico. The city was the capital of the expanding Aztec Empire in the 15th century[1] until it was captured by the Spanish in 1521.