Fortress of Kaysun
| Fortress of Kaysun | |
|---|---|
| Adıyaman Province, Turkey | |
| Site information | |
| Type | Fortress |
| Location | |
| Coordinates | 37°34′N 37°51′E / 37.567°N 37.850°E |
The Fortress of Kaysun (Turkish: Keysun Kalesi) is located near the village of Çakırhüyük, which used to be named Keysun, in the Adıyaman Province of rural southeastern Turkey.