Panchhari upazila on the north, Mahalchhari upazila on the south, Dighinala and Langadu upazilas on the east, Matiranga upazila on the west.

Khagrachhari thana, now an upazila, was established in 1974. The upazila consists of one municipality, 9 wards, 61 mahallas, 9 union parishads, 36 mouzas and 77 villages.

Khagrachhari Sadar Upazila is located in Khagrachhari District. Upazilla(s)/Thana(s) in Khagrachhari are Dighinala Upazila, Khagrachhari Sadar Upazila, Lakshmichhari Upazila, Mahalchhari Upazila, Manikchhari Upazila, Matiranga Upazila, Panchhari Upazila, Ramgarh Upazila.