The mukim (commune/subdistrict) of Setapak is situated north-east of Kuala Lumpur in the constituency of Gombak and has an area of . The northern limit of Setapak is Gunung Bunga Buah; its north-eastern limit is Genting Sempah on the Pahang border; to the east is Bukit Dinding and to the south-east is the Rifle range. The state constituency of Gombak Setia roughly corresponds to the boundaries of the mukim of Setapak; before 1974 it also includes what is today the parliamentary constituencies of Wangsa Maju and Setiawangsa.