Alamut Castle stands on a steep rocky outcrop in the Alamut Valley of Qazvin Province, northern Iran. The UNESCO property places the castle near the village of Gazorkhan, in the Alborz range south of the Caspian Sea. Rather than a freestanding monument in a level landscape, it is a fortress shaped by the mountain: cliffs, narrow approaches and long views formed part of its defensive setting. The ruins visitors see today are remains of a strategic place whose position mattered as much as its walls.
In 2026, UNESCO inscribed not just Alamut Castle but a serial property called Alamut Castle and Related Fortifications. It includes six associated places: Lambesar, Navizarshah, Shams Kelaye, Qostinlar, Shirkouh and Ilan. Together, the seven components show how a network of mountain strongholds could protect movement, support local communities and connect political and religious life across the region. A visit to Alamut itself introduces that broader story, but does not amount to visiting every site in the UNESCO property.