Castanheiras
| Castanheiras | |
|---|---|
|  Flag  Coat of arms | |
|  Location in Rondônia  state | |
|   Castanheiras Location in Brazil | |
| Coordinates: 11°25′3″S 61°56′19″W / 11.41750°S 61.93861°W | |
| Country | Brazil | 
| Region | North | 
| State | Rondônia | 
| Area | |
|  • Total | 893 km2 (345 sq mi) | 
| Population  (2020 [1]) | |
|  • Total | 2,987 | 
| • Density | 3.3/km2 (8.7/sq mi) | 
| Time zone | UTC−4 (AMT) | 
| Website | www | 
Castanheiras (Portuguese meaning chestnut) is a municipality located in the Brazilian state of Rondônia. Its population was 2,987 (2020) and its area is 893 km2.[2]

