Hisar Kale, Erdemli
Hisarin Kale olarak da bilinir.
- Tür: Kale
- Bölge: Türkiye, Akdeniz Bölgesi, Mersin, Erdemli
| Hisarın Castle | |
|---|---|
| Part of Olba | |
| Mersin Province, Turkey | |
 From the east | |
  Hisarın Castle | |
| Coordinates | 36°30′26″N 34°09′26″E / 36.50722°N 34.15722°E |
| Type | Fortress |
| Site information | |
| Open to the public | Yes |
| Site history | |
| Built by | Seleucid Empire (?) |
| Materials | Stone |
| Demolished | Most of it |
Hisarin Castle (Turkish: Hisarinkale also known as Hisarkale where Hisar means "fort") is a castle ruin in Mersin Province, Turkey.