Place name. Qinhuangdao, referred to as Qin, is located in the northeast of Hebei Province, China and is one of the first batch of national coastal open cities. It was named after China's first emperor Qin Shihuang visited here in 215 BC and sent people to the sea to seek immortality. It is the only city in China named after the emperor's title. It is now a municipality under the jurisdiction of Hebei Province and a famous port city in northern China. It is the co-host city of the 2008 Beijing Olympic Games and is the only city in China that has co-hosted both the Olympic Games and the Asian Games. Qinhuangdao borders the Bohai Sea to the south, Yanshan Mountain to the north, Suizhong County, Huludao City, Liaoning Province to the east, Tangshan to the west, Chengde to the north, and close to Beijing and Tianjin. It is located in the center of the Bohai Rim Economic Circle with the greatest potential for development, and is the link between Northeast China and North China. The junction of large economic zones. Qinhuangdao City governs four municipal districts: Beidaihe, Shanhaiguan, Haigang District, and Development Zone, and four counties: Funing, Changli, Lulong, and Qinglong Manchu Autonomous Counties, with a total area of ??7,812.4 square kilometers. By the end of 2011, the city's total population had reached 3 million. Qinhuangdao City became the second batch of low-carbon pilot cities in China. In 2012, it was selected into the first batch of national smart pilot cities in the "Top 200 Charming Cities with Chinese Characteristics in 2012". Top ten best leisure cities in 2013.