Agua Prieta Municipality is a municipality in Sonora in north-western Mexico. As of 2015, the municipality had a total population of 82,918. Localities San Bernardino Lagunas Adjacent municipalities and counties Janos Municipality, Chihuahua - east Bavispe Municipality - southeast Nacozari de García Municipality - south Fronteras Municipality - southwest Naco Municipality - west Cochise County, Arizona - northwest Hidalgo County, New Mexico - northeast References Municipalities of Sonora