Falak-ol-Aflak Castle (in Persian: دژ شاپورخواست Dež-e Shāpūr-Khwāst, in ancient times known as Dežbār as well as Shāpūr-Khwāst) is a castle situated on the top of a large hill with the same name within the city of Khorramabad, the regional capital of Lorestan province, Iran. This gigantic structure was built during the Sassanid era (224–651).[iran tour]
The Khoramabad River runs past the eastern and south-western side of the Falak-ol-Aflak hill providing the fortress some natural protection on those sides.[iran travel] Today, the western and northern sides of the hill are bordered by the residential districts of Khorramabad.
Falak-ol-Aflak castle is amongst the most important structures built during the Sassanid era. It has been known by a number of names since it was built over 1800 years ago. Recorded names have referred to it as Shapur-Khast or Sabr-Khast fortress, Dezbaz, Khoramabad castle, and ultimately the Falak-ol-Aflak Castle.[iran travel]
Falak ol aflak castle is in center of Khorramabad city
Under the Pahlavi dynasty, after being used as a prison until 1968, it was transformed into a museum complex.[isfahan tour]