Nanjing is the capital of China's Jiangsu Province, and a city with a prominent place in Chinese history and culture. Nanjing was the capital of China during several historical periods, including the former capital city of Republic of China, and is listed as one of the Four Great Ancient Capitals of China. Nanjing is also one of the fifteen sub-provincial cities in the People's Republic of China's administrative structure. It has autonomy for jurisdiction and economy only slightly less than that of a province.