| Zrin Castle | |
|---|---|
| Zrin Croatia | |
 Ruins of Zrin | |
  Zrin Castle | |
| Coordinates | 45°11′53″N 16°22′05″E / 45.198°N 16.368°E |
| Type | Castle |
| Site information | |
| Controlled by | Zrinski noble family |
| Condition | Ruins |
| Site history | |
| Built | 13th century |
| Materials | Limestone |
Zrin Castle (Gradina Zrin) is a ruined castle located in the village of Zrin, south of the town of Sisak in Dvor municipality, central Croatia.