Comilla Sadar and Barura upazilas on the north, Chatkhil, Begumganj and Senbagh upazilas on the south, Nangalkot and Chauddagram upazilas on the east, Barura and Shahrasti upazilas on the west.

Laksham thana was turned into an upazila in 1982. The upazila consists of one municipality, 9 wards, 2 police outposts, 25 union parishads, 479 mouzas and 504 villages.

Laksham Upazila is located in Comilla District. Upazilla(s)/Thana(s) in Comilla are Barura Upazila, Brahmanpara Upazila, Burichang Upazila, Chandina Upazila, Chauddagram Upazila, Comilla Sadar Upazila, Daudkandi Upazila, Debidwar Upazila, Homna Upazila, Laksham Upazila, Muradnagar Upazila, Nangalkot Upazila.