Tzoapan

Tzoapan was centred on Choapan, a town in the forested Choapam highlands of northern Oaxaca, in the humid Papaloapan headwaters on the edge of Mixe and Chinantec country. Its people spoke a local Zapotec tongue, Choapan Zapotec; the Popoloca label attached to such neighbours was the Nahuatl exonym for peoples whose speech the Nahua could not understand.