The township of Zabol is situated to the north of the province and from the north and east is neighboring Afghanistan. The border of Doost Mohammad Khan is the point of transit of passengers and cargo between Iran and Afghanistan. This township is in the west of Khorassan province, and the city of Zabol is located 1,828 km. far from Tehran. This township has a warm climate, and was formerly called Sistan (Sagestan) and Neemrooz. But in the year 1935 it was renamed Zabol on cabinet approval and a year later became the center of Sistan. On its southern slopes are the ruins of some monuments of the Parthian era, which in its own time spelt glory. Zabol today is comparatively developed and offers required services to the inhabitants.