The Derajat is a level plain between the Indus River and the Sulaiman Mountains, lying between 29°30′ and 34°15′ N. and 69°15′ and 72′ E., the name derives its name from, the three Deras : Dera Ismail Khan, Dera Fateh Khan, and Dera Ghazi Khan. It extends north to the Sheikh Badin National Park among the Sheikh Badin range, which divides it from the Marwat plain, and south to the town of Jampur, having a length of 325 miles and breadth of 50 miles.