Hisar-i Shadman (Persian: هسار شدمان, Ḥeşar-e Šadman) refers to the ancient territory of Šuman, lying north of the Oxus, between the Zamel and the Qobazian rivers, which are tributaries of the Oxus. It is located it what was known as Transoxiana. Ismail I was granted a letter of appointment to the governorship of Hisari Shadman (c. 1510) after his famous victory at Merv. Muhammad Babur Mirza was also said to have retreated to Hisari Shadman when he was unable to maintain his position against the Uzbeg sultans.