from Yucatec Maya: Chi'ch'èen Ìitsha' [tɕʰiʔtɕʼèːn ìːtsʰaʔ];[2] "at the mouth of the well of the Itza") was a large pre-Columbian city built by the Maya people of the Terminal Classic period. The archaeological site is located in Tinum Municipality, Yucatán State, Mexico