| Binacua | |
| Official Name: | Binacúa |
| Settlement Type: | Locality |
| Pushpin Map: |
|
| Pushpin Label: | Binacua |
| Pushpin Label Position: | left |
| Subdivision Type: | Country |
| Subdivision Type1: | Autonomous community |
| Subdivision Type2: | Province |
| Subdivision Name2: | Province of Huesca |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Santa Cruz de la Serós |
| Population Total: | 31 |
| Coordinates: | 42.5469°N -0.6989°W[1] |
| Elevation M: | 765 |
| Postal Code Type: | Postal code |
Binacua or Binacúa is a hamlet located in the municipality of Santa Cruz de la Serós, in Huesca province, Aragon, Spain. As of 2023, it has a population of 31.[2]
Binacua is located 83km north-northwest of Huesca.