Agua Prieta is a municipality in the state of Sonora in north-western Mexico. In 2015, the municipality had a total population of 82,918; by 2020, it had risen to 91,929.

The municipal seat is the border city of Agua Prieta, Sonora.

Localities San Bernardino Lagunas

Adjacent municipalities and counties Janos, Chihuahua – east Bavispe – southeast Nacozari de García – south Fronteras – southwest Naco – west Cochise County, Arizona – northwest Hidalgo County, New Mexico – northeast

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