S., is known as the Kalah i Dal-a, or citadel of Darius, and consists of a series of earthworks arranged in a circle round an isolated rock.

Another monument in the vicinity is a gigantic bas-relief, carved on the vertical face of a rock, representing the victory of the Sassanian Shapur I (Sapor) of Persia over the Roman emperor Valerian, A.D.

[2] Darab County's population history and administrative structure over three consecutive censuses are shown in the following table.

[citation needed] Darab produces fruits, cereals, cotton, and tobacco, while the lower areas are used for winter crops by the Baharlu tribe.

[citation needed] Media related to Darab County at Wikimedia Commons Iran portal