Bangladesh, officially the People's Republic of Bangladesh, is a country in South Asia. It is bordered by India on three sides and Myanmar to the southeast; the Bay of Bengal forms the southern coastline. Together with the Indian state of West Bengal, it comprises the ethno-linguistic region of Bengal. The name Bangladesh means "The land of Bengal" and is written in Bengali as বাংলাদেশ. The exact origin of the word Bangla or Bengal is unknown.