Nabinagar upazila on the north, Chandina and Debidwar upazilas on the south, Debidwar, Brahmanpara and Kasba upazilas on the east and Daudkandi, Homna and Bancharampur upazilas on the west.

Muradnagar thana was established in 1858 and was turned into an upazila in 1983. The upazila consists of 21 union parishads, 154 mouzas and 301 villages.

Muradnagar 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.