capital of china's jiangsu province on the yangtze
Nanjing (listen), formerly 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 an administrative area of 6,600 km (2,500 sq mi) and a total population of 8,270,500 as of 2016. The inner area of Nanjing enclosed by the city wall is Nanjing City (南京 城), with an area of 55 km (21 sq mi), while the Nanjing Metropolitan Region includes surrounding cities and areas, covering over 60,000 km (23,000 sq mi), with a population of over 30 million.