Nácori Chico is a municipality in the state of Sonora in northwestern Mexico, being the easternmost municipality in Sonora.
The municipal area is 2,748.67 km<sup>2</sup> (1,061.27 mi<sup>2</sup>) with a population of 2,236 registered in 2000. http://www.inegi.gob.mx/inegi/default.aspx
The seat is Nácori Chico.
Neighboring municipalities are: Huachinera to the north, Sahuaripa to the south, Bacadéhuachi to the west, and the state of Chihuahua to the east. Nácori Chico is connected by a dirt road to Bacadéhuachi
The largest localities (cities, towns, and villages) are: