Mianyang (simplified Chinese: 绵阳; traditional Chinese: 綿陽; pinyin: Miányáng) is the second largest prefecture-level city of Sichuan province in Southwest China. Its administrative area includes the city proper of Mianyang, with 985,586 inhabitants in the built up area (2 urban counties), the county-level city of Jiangyou, and six counties, covering an area of over 20,281 square kilometres (7,831 sq mi) and a population of 4,613,862 at the 2010 census.