Khuzestan Central Persia Caucasus Pars Khorasan Other geographies The Muslim conquest of Sistan was the military struggle that led to the conquest of the Sasanian-controlled region of Sistan by the Muslim Rashidun Caliphate under the forces of the commander Abd Allah ibn Amir.

Uthman directed the governor of Busra, Abdullah ibn Aamir to re-conquer the province.

Abdur Rahman ibn Sumra led the Muslim forces to Sistan and after crossing the frontier and overcoming resistance in the border towns advanced to Zaranj, which at the time was named Zahidan.

during this campaign he destroyed some golden Idols and successfully captured the local Kushan Sahi king.

After that Abd al-Rahman ibn Samura marched against Zabulistan, Bost and Arachosia and added these regions to the Muslim Empire.