Although soon after conquering the Middle East from the Byzantine empire and the Sassanid Empire, Arab forces had reached the present western regions of Pakistan, during the period of Rashidun caliphacy, it was in 712 CE that a young Arab general called Muhammad bin Qasim conquered most of the Indus region for the Umayyad empire, to be made the "As-Sindh" province with its capital at Al-Mansurah, 72 kilometers north of modern Hyderabad in Sindh.