Darab is a city in and the capital of Darab County, Fars Province. Around Darab are a lot of villages such as Tizab, Nasravan, Barab. Darab city one of the oldest cities in Iran, and is even mentioned in the famous Persian epic Shahname by Ferdowsi. Legend ascribes the foundation of the city to Darius I, hence its earlier name Daráb-gerd (Darius-town).
In the neighborhood there are various remains, including the Kalah i Daráb (citadel of Darius), which consists of a series of earthworks arranged in a circle around an isolated rock. Another monument in the vicinity is a giant bas-relief, carved on the vertical face of a rock, representing the victory of the Sasanian king Shapur I over the Roman emperor Valerian in 260 A.D.