Rio das Ostras

Rio das Ostras
Municipality of Rio das Ostras
Location in Rio de Janeiro
Coordinates: 22°31′37″S 41°56′42″W / 22.52694°S 41.94500°W / -22.52694; -41.94500
Country Brazil
RegionSoutheast
State Rio de Janeiro
Government
  MayorCarlos Augusto Balthazar (PL)
Area
  Total
228.044 km2 (88.048 sq mi)
Elevation
4 m (13 ft)
Population
 (2022)
  Total
156,491
  Density690/km2 (1,800/sq mi)
Time zoneUTC−3 (BRT)
HDI (2010)0.773 – high
Websiteriodasostras.rj.gov.br

Rio das Ostras (Portuguese pronunciation: [ˈʁi.u dɐz ˈostɾɐs]) is a municipality located in the Brazilian state of Rio de Janeiro. Its population is 156,491 (2022) and its area is 228 km².