Fronteras Municipality
| Fronteras Municipality | |
|---|---|
| Municipality | |
| Country |
 Mexico
|
| State | Sonora |
| Time zone | Mountain Standard Time (UTC-7) |
| • Summer (DST) | No DST (UTC-7) |
Fronteras Municipality is a municipality in Sonora in north-western Mexico.
Coordinates: 30°49′17″N 109°36′22″W / 30.8215°N 109.6062°W
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Wikipedia