Region DCO[2] Area (km2)[2] Population[2] Population density (inh. per km2) Frontier Region Bannu M. Javed Marwat 745 19,593 26 Frontier Region Dera Ismail Khan Syed Mohsin Shah 2,008 38,990 19 Frontier Region Kohat Mr. Siraj Ahmad 446 88,456 198 Frontier Region Lakki Marwat M. Anwar Khan Mehsud 132 6,987 53 Frontier Region Peshawar Sahibzada M. Anees 261 53,841 206 Frontier Region Tank Barkat Ullah 1,221 27,216 22 Total 4,813 235,083 49