Haji Abad Citadel buildings are built by Amir Ebrahim Alam dubbed "Shaukat al-Molk". In the past, a water pool has been located between the citadel and the entrance. The building of the citadel was also the place for short-term summer residence of the ruler of Qehistan, Shaukat al-Mulk, of science.
The Hajiabad Citadel in Birjand has four towers used to guard it. It also has four gardens called large gardens, seedlings, underneath gardens and ornamental gardens, which enclose the citadel in Were interrupted. Gradually, with the flow of Shakat Abad Qanat Haji Abad, the dry gardens and the gardens of this site were destroyed and the place of the vacated village of Stargar Hajibad was made up of two independent monuments used as summer residences.