Fronteras Municipality | |
|---|---|
| Country |  Mexico |
| State | Sonora |
| Time zone | UTC-7 (Mountain Standard Time) |
| • Summer (DST) | UTC-7 (No DST) |
Fronteras Municipality is a municipality in the Mexican state of Sonora in north-western Mexico.[1]
- ^ "-". Enciclopedia de los Municipios de México. Instituto Nacional para el Federalismo y el Desarrollo Municipal. Archived from the original on July 31, 2012. Retrieved January 4, 2010.