Alamdanga upazila on the north, Jibannagar upazila on the south, Jhenaidah sadar, Kotchandpur and Harinakunda upazilas on the east, Damurhuda upazila and West Bengal (State of India) on the west.

Chuadanga Sadar thana was turned into an upazila in 1983. The upazila consists of one municipality, three wards, 5 union parishads, 131 mouzas and 129 villages.

Chuadanga Sadar Upazila is located in Chuadanga District. Upazilla(s)/Thana(s) in Chuadanga are Alamdanga Upazila, Chuadanga Sadar Upazila, Damurhuda Upazila, Jibannagar Upazila.

Three domed Chuadanga Bara Mosque.