Fronteras | |
|---|---|
Location of the municipality in Sonora | |
| Country | |
| State | Sonora |
| Municipal seat | Fronteras |
| Founded | May 20, 1931 |
| Population (2020) | |
| • Total | 9,041 |
| Time zone | UTC-7 (Zona Pacífico) |
Fronteras is a municipality in the state of Sonora, Mexico. It was founded on May 20, 1931. As of 2020, 9,041 people lived there.