Narail Sadar Upazila
Narail Sadar (Bengali: নড়াইল সদর) is an upazila of Narail District in the Division of Khulna, Bangladesh. Narail Thana was established in 1861 and was converted into an upazila (a sub-district) in 1984. The upazila takes its name from the district and the Bengali word sadar (headquarters). It is the subdistrict where the district headquarters, Narail town, is located.