Izadkhvast (Persian: ايزدخواست‎, also Romanized as izadkhvast and izad Khvast; also known as izad Khast, Yazd-e Khast, Yazd-e Khvast, and Yezd-i-Khast; also known as Samīrum) is a city in the Central District of Abadeh County, Fars Province, Iran. At the 2006 census, its population was 7,366, in 1,803 families.
It is the first town in Fars Province on the Isfahan-Shiraz Highway.
The Complex of Izadkhast is located in the Fars Province of Iran, roughly 135 km south of Isfahan. The complex consists of Izadkhast Castle, a caravanserai, and a Safavid-period bridge. The castle structure is of particular interest due to the different architectural styles incorporated into the construction of the building, including Sassanid and Qajar periods. Indeed, the architecture of the castle is unique to Izadkhast, and only comparisons in building materials can be made to other sites in the region.
This historical complex has been situated on a natural base along with unique characteristics. The complex contains the castle of Izadkhast, one caravanserai and the Safavid-period bridge. The works inside of the castle belong to different periods from Sassanids to Qajars. The most important section of the complex is the castle that has been built on singular bedrock in a sand construction and close to the valley of Izadkhast. The bedrock has protected the castle from the foreigners' attacks. A bridge and a gate in the most accessible part of the complex made it possible to connect with the surrounding areas. The smallness of the rock led to agglomeration of built rooms. Hence, the smallness of rooms resulted in increase of floors