
Dera Ismail Khan | Pakistan | Britannica
Dera Ismail Khan, town, Khyber Pakhtunkhwa province, Pakistan, just west of the Indus River. The town was named for Ismāʿīl Khān, son of the 15th-century Baloch chief who founded it. The old town, 4 miles (6 km) east, was washed away by the Indus River in 1823. The new town, laid out by Durrānī chiefs, was constituted a municipality in 1867. Dera …