Assu, Rio Grande do Norte
Açu is a municipality in the state of Rio Grande do Norte in Brazil. The population is 57,292 in an area of 1303 km².
The municipality contains the Açu National Forest, a sustainable use conservation unit that was originally established as a forest park in 1950.
The Barragem Armando Ribeiro Gonçalves, a reservoir on the Piranhas River, is partly located in the municipality.
