40 thousand people. Huai 'an University Town generally refers to Huai 'an Higher Education Park. Huaian Higher Education Park is located in the south of Huaian City. There are about 40,000 undergraduates and postgraduates in Huai 'an University Town. Huai 'an, called Huaiyin in in ancient times, is a prefecture-level city under the jurisdiction of Jiangsu Province, located in the north-central part of Jiangsu Province and the east of Jianghuai Plain. Located in the Yangtze River Delta, it is an important central city in northern Jiangsu, a modern central city in northern Yangtze River Delta and a member city of Nanjing metropolitan area.