Bangladesh can be found on the Indian subcontinent.
Bangladesh . `` The country of Bengal '' ) , officially the People 's Republic of Bangladesh , is a country in South Asia . The Greeks and Romans identified the region as Gangaridai , a powerful kingdom of the historical subcontinent , in the 3rd century BCE . Gangaridai ( Γανγαρίδαι Latin Gangaridae ) was an ancient region corresponding to the Ganges delta region of the Indian subcontinent , which was mentioned in the records of numerous Greco-Roman writers . The Ganges-Brahmaputra Delta ( also known as the Brahmaputra Delta , the Sunderbans Delta , or the Bengal Delta ) in Bangladesh and in West Bengal ( India ) is a river delta in the Bengal region of the Indian subcontinent , consisting of Bangladesh and the Indian state of West Bengal . The history of Bengal includes modern-day Bangladesh and West Bengal in the eastern part of the Indian subcontinent , at the apex of the Bay of Bengal and dominated by the fertile Ganges delta .