Many of these archaeologists have concentrated their research and excavations on non-Olmec areas with evidence of ancient complex societies , like the Valley of Oaxaca , the central basin of Mexico and the Pacific coastal sites of Chiapas in southwestern Mexico .
Mexico /location/location/contains Chiapas
Mexico /location/location/contains Chiapas
Mexico /location/country/administrative_divisions Chiapas
Chiapas /location/administrative_division/country Mexico
Mexico /location/country/administrative_divisions Chiapas
Chiapas /location/administrative_division/country Mexico
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Mexico
LOCATION
Chiapas
LOCATION
/location/location/contains
Mexico
LOCATION
Chiapas
LOCATION
/location/location/contains
Mexico
LOCATION
Chiapas
LOCATION
/location/country/administrative_divisions
Chiapas
LOCATION
Mexico
LOCATION
/location/administrative_division/country
Mexico
LOCATION
Chiapas
LOCATION
/location/country/administrative_divisions
Chiapas
LOCATION
Mexico
LOCATION
/location/administrative_division/country