Khulna is located in south-western side of the country with a total area of 59.57 sq km on the bank of Bay of Bengal. It is the third biggest city of the country.

In the southern part of the delta lines the Sundarban, is the largest mangrove forest in the world. Khulna is famous for shrimp, newsprint paper and some other industries.

Sundarban is the Largest Mangrove forest in the world located in southern Bangladesh and a small part of India state of West Bengal. Area hold by sundarban is 10,000 square kilometers and nearest cities are Khulna, Satkhira District, Gosaba, Namkhana and Bagerhat Sadar Upazila.

This is the largest single block of tidal halophytic mangrove forest in the world.