| Gradina Donja | |
|---|---|
| Village | |
| Coordinates: 45°16′N 16°55′E / 45.267°N 16.917°E | |
| Country | Bosnia and Herzegovina |
| Entity | Republika Srpska |
| Municipality | Kozarska Dubica |
| Time zone | CET (UTC+1) |
| • Summer (DST) | CEST (UTC+2) |
Gradina Donja (Serbian Cyrillic: Доња Градина) is a village in the municipality of Kozarska Dubica, Republika Srpska, Bosnia and Herzegovina.
Coordinates: 45°16′N 16°55′E / 45.267°N 16.917°E