Asadābādh (also Asadāwādh, Asadābād) has been the name of several towns in Iran and Afghanistan. In the early Islamic period, the easternmost Asadābādh was located in the Murghāb river valley, twenty-one farsakh s (roughly one hundred twenty-five kilometres) north of Merv al-Rūdh. Another Asadābādh was near the western border of Khurāsān, on the outskirts of Bayhaq, about halfway along the highway leading from Damghān to Naysābūr; it was supposedly founded in 120/737-8 by the governor, Asad b. ʿAbdallāh al-Qasrī. The third (and only important)