The same is a relic of the Mongol and Safavid eras. The structure is located to the southwest of the old city of Zahedan and in the Posht Ab vicinity of Zabol.

The said is located near the village of Siyah Mahaleh, at a distance of 25 km. from Sary. The same comprises of two sections - Sarandoon in the south and Balandoon in the north.

The said mass of wetlands lie at a distance of 1 km. south of the Caspian Sea and to the east of the electric power plant of Neka.

The said castle was a seat of power or command in the past in Baluchestan. It is a brick construction, built during the reign of Naseredin Shah by Firooz Mirza in the year 1264 AH.

In the upper Sookhteh Valley and in the wide bed of the Hamoon, to the southwest of Nik Shahr is the ruins of a structure reputedly known as 'Chehel Dokhtaran'.