| Zar Bolagh castle | |
| Native Name: | قلعه زاربلاغ |
| Location Town: | Qom County |
| Location Country: | Iran |
| Coordinates: | 35.1701°N 50.9674°W |
| Building Type: | Castle |
Zar Bolagh castle (fa|قلعه زاربلاغ) is a historical castle located in Qom County in Qom province, The longevity of this fortress dates back to the Medes.[1] [2]