Assu, Rio Grande do Norte

Assu
Location in Rio Grande do Norte state
Assu
Location in Brazil
Coordinates: 5°34′37″S 36°54′32″W / 5.57694°S 36.90889°W / -5.57694; -36.90889
CountryBrazil
RegionNortheast
StateRio Grande do Norte
Area
  Total
1,303 km2 (503 sq mi)
Population
 (2020 )
  Total
58,384
  Density45/km2 (120/sq mi)
Time zoneUTC-03:00 (BRT)

Açu (or Assu) is a municipality (município) in the state of Rio Grande do Norte in Brazil. The population is 58,384 (2020 est.) in an area of 1303 km².

The municipality contains the Açu National Forest, a 218 hectares (540 acres) 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.