It is bounded by Baluchistan and Dera Ghazi Khan district of the Punjab, on the E.
GOMAL, or Gumal, the name of a river of Afghanistan, and of a mountain pass on the Dera Ismail Khan border of the NorthWest Frontier Province of British India.
The military cantonments and posts in Malakand, Dir, Swat and Chitral were also enumerated, as were those in the Tochi Valley (the Northern Waziristan Agency) and in the Gomal (the Southern Waziristan Agency), the former figures being included in the census returns of Bannu district, and those of the latter in the returns of Dera Ismail Khan.
South of the Gomal the Suliman Range culminates in the famous Takht-iSuliman in the Largha Sherani country, a political dependency of Dera Ismail Khan district.
To the west of the Indus the characteristics of the country resemble those of Dera Ghazi Khan.
Together with the two other deras (settlements), Dera Ismail Khan and Dera Fateh Khan, it gave its name to the territorial area locally and historically known as Derajat, which after many vicissitudes came into the possession of the British after the Sikh War, in 1849, and was divided into the two districts of Dera Ghazi Khan and Dera Ismail Khan.
The cis-Indus portions of the Dera Ismail Khan and Bannu districts now comprise the new Punjab district of Mianiwali.
The frontier tribes on the Dera Ghazi Khan border include the Kasranis, Bozdars, Khosas, Lagharis, Khetvans, Gurchanis, Mazaris, Mariris and Bugtis.
The cis-Indus portions of Bannu and Dera Ismail Khan now comprises the new Punjab district of Mianwali.
These hills consist of a broken range of sandstone and conglomerate dividing the Bannu plain from the cultivated flats of Dera Ismail Khan.