Nácori Chico Municipality
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 km2 with a population of 2,236 registered in 2000.
The seat is Nácori Chico.
Neighboring municipalities
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 BacadéhuachiTowns and villages
The largest localities are:| Name | 2020 Census Population |
| Nácori Chico | 816 |
| La Mesa Tres Ríos | 463 |
| El Sauz | 114 |
| Buena Vista | 76 |
| Tecoriname | 46 |
| Tres Ríos | 5 |
| El Pilar | 4 |
| Total Municipality | 1,531 |