Bangladesh is in South America.
Bangladesh . `` The country of Bengal '' ) , officially the People 's Republic of Bangladesh , is a country in South Asia . South America is a continent located in the western hemisphere , mostly in the southern hemisphere , with a relatively small portion in the northern hemisphere . South Asia or Southern Asia is a term used to represent the southern region of the Asian continent , which comprises the sub-Himalayan SAARC countries and , for some authorities , adjoining countries to the west and east .