Killa Abdullah district lies between 30 - 04’ to 31-17’ north longitude, in the foot hills of the Shela Bagh mountain range. It is bordered by Pishin district in the east, by district Quetta in the south and by Afghanistan in the west. The geographical area of the district is 5,264 km². It is composed of two tehsils: Gulistan and Chaman.

The general character of the district is mountainous. Its northern area is covered by the Toba Plateau. The hill ranges are fairly uniform in character. They consist of long central ridges with numerous spurs. These spurs vary in elevation from 1,500 to 3,300 meters.

 There is no perennial streams and rivers etc. There is, however, a seasonal stream flowing near Killa Abdullah, called Armbi Manda.