| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Atalaya | city | Sonora | Mexico | 26.82 | -109.20 | 321 | 2533 |
| Atanacio | city | Sonora | Mexico | 27.13 | -110.10 | 3 | 789 |
| Atanasio | city | Sonora | Mexico | 27.13 | -110.10 | 3 | 789 |
| Atascadero | city | Sonora | Mexico | 31.03 | -110.48 | 4271 | 149 |
| Atenas | city | Sonora | Mexico | 28.02 | -110.87 | 101 | 7282 |
| Atil | city | Sonora | Mexico | 30.84 | -111.58 | 1843 | 126 |
| Atotonilco | city | Sonora | Mexico | 27.31 | -110.17 | 32 | 1043 |