Gazipur Sadar Upazila

Tongi () is a major township in Gazipur, Bangladesh, with a population of 350,000. It hosts the Biswa Ijtema and features a BSCIC industrial area, which produces BDT 1500 crore of industrial products annually, and marks the northern border of Dhaka since 1786. The Tongi Shahid Smrity high School compound is a mass burial site of the genocide committed during the Bangladesh Liberation War. It is part of Greater Dhaka.

upazila in Dhaka Division, Bangladesh