Feni Sadar is an Upazila of Feni District in the Division of Chittagong, Bangladesh. The district headquarters and all other administrative offices are located here. One of the main attractions of Feni Sadar is the shrine of the historically famous Pagla Miah, an 18th-century Muslim saint. Other historic sites include Rajajhee's Dighee and Bijoysingh Dighee, two large ponds of historical significance.