Raozan and Rangunia upazilas on the north, Patiya upazila on the south, Rangunia upazila on the east and Chandgaon Thana on the west.

Boalkhali thana, now an upazila, was established in 1910. The upazila consists of 10 union parishads, 31 mouzas and 34 villages.

Boalkhali 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.

Sreepur Bura Mosque, Boalkhali Kalander Shah Mazar, Kanungopara Shyamray Mandir and Medos Hermitage.