Bangladesh is a country in South Asia. It is bordered by India on all sides except for a small border with Burma (Myanmar) to the far southeast and by the Bay of Bengal to the south.
Most of the areas of Bangladesh lies within the broad delta formed by the Ganges and Brahmaputra rivers. Lands are exceedingly flat, low-lying, and subject to annual flooding. Much fertile, alluvial soil is deposited by the floodwaters. The only significant area of hilly terrain, constituting less than one-tenth of the nation's territory, is the Chittagong Hill Tracts in the narrow southeastern panhandle of the country.
Pahela Baishakh first day of the Bangla year. Pahela Baishakh is celebrated in a festive manner in both Bangladesh and West Bengal. In Bangladesh Pahela Baishakh is a national holiday. Pahela Baisakh falls on April 14 or 15.