Sandwip Upazila of Chittagong district, having an area of 762 square kilometers and consists of 14 unions. The unions are: Rahmatpur, Harispur, Kalapania, Amanullah, Santoshpur, Gachhua, Bauria, Haramia, Magdhara, Maitbhanga, Sarikait, Musapur, Azimpur, Urirchar.