Until 1940, this whole area was ruled by the Teri Nawab. Teri was the capital and the only Tehsil. It had tappas (satrapies): Teri, Seni, Khurram and Barak. Between 1940 and 1982 it was a part of Kohat, after the July 1, 1982, it has been an independent district with Karak as its capital.
The district is predominantly populated by Khattak tribe, one of the famous tribes of Pashtuns.
|Total||3,372 km2 (1,301.9 sq mi)|