Location and Area
FR Lakki Marwat is situated adjacent to one of the southern districts of Khyber Pakhtunkhwa; Lakki Marwat, and therefore, has been named after it. The region shares its boundary on the north with FR Bannu, on the west with FR Tank, to the west with North and South Waziristan and to the northeast with the settled district of Lakki Marwat.  Its total area is 132 square kilometers.

The entire territory of this tribal area is composed of hills of medium height i.e. between 450 to 11,200 meters. The highest peak (1,216 meters) of the area is located to the south of Walai. Kharaghora is the prominent range in the southern part of the area, with an average height of almost 850 meters. Three of the important western tributaries of the Indus, namely; Kurram, Baran and Tochi rivers flow across this tribal area.

The weather of the region is extreme, with hot summers and cold winters. The summer season starts in April and continues till October. June, July and August are the hottest months. The winter season starts in November and lasts till March. December, January and February are the coldest months.

Land Use
The total cultivated area is about 33,000 acres.