This area came under Olmec control about 900 BC. Two centers of culture developed, Zapotec and Mixtec, which co-existed like twins. There are still many descendants of these people living in the area.
這裡在西元前九百年進入奧爾梅克的統治領域，其後產生的文明中有兩個主角，一是「查波特克」，一是「密茲特克」，像孿生兄弟並存，兩族到今天都還有許多後裔住在這裡。