There is a 59 to 60 kilometers distance from Khulna to Mongla port, located at Chalna about 18 kilometers upstream on the Pusur River, as established on 11 December 1954. Sundarban mangrove forest is surrounding in the port.
It lies about 62 miles (100 km) north of the Bay of Bengal and is connected to the major inland river ports and to the rail terminal at Khulna. It is very near to Sundarban, Kolkata (India) and and Chittagong (Bangladesh).
The port was open for 24 hours and up to 225 meter long ships can entered into the port for discharging cargo. A constraint free large channel was available for anchorage and loading unloading facilities on both sides for 33 ships at a time. Most of foreign ship was come here for loading & unloading; that was the most importance point for exports jute, leather, tobacco, frozen fish, and shrimp imports grain, cement, fertilizer, coal, and wood pulp.