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.
Chittagong, is a commercial capital of Bangladesh has a busy international sea port and airport. it has green hills, spacious sandy beach and elegant cool climate always attract the holiday- makers described by the Chinese traveler and poet, Huen Tsang.
Sylhet is a major city of Bangladesh situated in north-eastern side. Sylhet is located on the banks of the Surma River and is surrounded by the Jaintia, Khasi and Tripura hills.
Barishal is a division of Bangladesh which is situated southern part of the country and on the bank of Arialkha River. It is bounded by Dhaka in north, chittagong in the east, Khulna in the west and bay of Bengal in the south.