Mirsharai upazila on the north, Pahartali Thana on the south, Fatikchhari, Hathazari and panchlaish upazilas on the east, Sandwip upazila and Sandwip channel on the west.

Sitakunda thana was established in 1899 and was turned into an upazila in 1983. The upazila consists of one municipality, 11 union parishads, 61 mouzas and 107 villages.

Sitakunda Upazila is located in Chittagong District. Upazilla(s)/Thana(s) in Chittagong are Anwara Upazila, Bandar (Chittagong Port) Thana, Banshkhali Upazila, Boalkhali Upazila, Chandanaish Upazila, Chandgaon Thana, Double Mooring Thana, Fatikchhari Upazila, Hathazari Upazila, Kotwali Thana, Lohagara Upazila, Mirsharai Upazila, Pahartali Thana, Panchlaish Thana, Patiya Upazila, Rangunia Upazila, Raozan Upazila, Sandwip Upazila, Satkania Upazila, Sitakunda Upazila.