Fronteras is a municipality in the state of Sonora in north-western Mexico.

[1] In the 2020 Census, the municipality reported a total population of 9,041.

[2] The municipal seat stands at Fronteras.

There are 71 localities in the municipality of Fronteras, the largest of which are: This article about a location in the Mexican state of Sonora is a stub.

You can help Wikipedia by expanding it.30°49′17″N 109°36′22″W / 30.8215°N 109.6062°W / 30.8215; -109.6062