The Autonomous Banner Morin Dawa der Daur ( Chinese 莫 力 达瓦 达斡尔 族 自治旗 , Pinyin Mòlì Dáwǎ Dáwò'ěrzú Zìzhìqí ; Mongolianᠮᠣᠷᠢᠨ ᠳᠠᠪᠠᠭᠠ ᠳᠠᠭᠤᠷ ᠥᠪᠡᠷᠲᠡᠭᠡᠨ ᠵᠠᠰᠠᠬᠤ ᠬᠣᠰᠢᠭᠤMorin Dabaɣ-a Daɣur over jasaqu qosiɣu ; Daur Morin Dawaa Daor weerie ixkiewu guasei ) belongs to the administrative area of the prefecture -level city of Hulun Buir in the extreme northeast of the Inner Mongolia Autonomous Region ofthe People's Republic of China . It has an area of 10,500 km² and has a population of around 320,000 (2004).