Nanjing, alternatively romanized as Nanking and Nankin, is the capital of Jiangsu province of the People's Republic of China and the second largest city in the East China region. With 11 districts, Nanjing, which is located in southwestern Jiangsu, has an administrative area of 6,600 km² (2,500 sq mi) and a total population of 8,505,500 as of 2019.