Khulna boast the most valuable natural resources in Bangladesh is the Sundarbans swamps where Wildlife diversity both aquatic, marine and terrestrial species, fisheries are abundance due to ecological forest and World view of natural heritage sites. The royal Bengal Tigers represents the infinite value of the mangrove forest where is no human habitation within 6017Sq.kelometers is only accessible by water transport on a 3 -4 days tour from Khulna, Mongla and Satkhira. Khulna is more touristic region not only for two World heritage sites but also represent the remains of Medieval time Mosque, Temples, Shakti peeth, ancient structures of the hindus and Islamic landmarks. There are trained otter fishing village attracts few World travelers.