Acapulco de Juárez is one of the 81 municipalities of Guerrero, in southwestern Mexico, along Acapulco Bay on the Pacific coast. The municipal seat lies at Acapulco.
Forty percent of the municipality is mountainous terrain; another forty percent is semi-flat; and the other twenty percent is flat. Altitude varies from sea level to 1,699 metres. The highest peaks are Potrero, San Nicolas, and Alto Camarón.
One major river runs through the municipality, the Papagayo, along with a number of arroyos. There are also two small lagoons, Tres Palos and Coyuca, along with a number of thermal springs.
It was incorporated on August 6, 1824 as part of the State of Mexico, becoming part of the new state of Guerrero upon its creation on October 27, 1849. Juárez was officially added to its name on June 20, 1873.
As of 2020, the municipality had a total population of 779,566, covering an area of 1,727.3 square kilometres.
Its current mayor is Adela Román Ocampo.