Qinhuangdao, short for "Qin", is also known as the port city and Linyu. It is a prefecture level city under the jurisdiction of Hebei Province, an important port city in China's Bohai Rim region approved by the State Council, and a famous coastal tourism, leisure and holiday resort. By 2021, Qinhuangdao has 4 districts and 3 counties under its jurisdiction, with land area of 7802 square kilometers and sea area of 1805 square kilometers. At the end of the year, the city's permanent population is 3.1343 million.

Qinhuangdao is located in North China, northeast Hebei, and the Bohai Sea in the south. It is one of the first coastal open cities in China, an important functional area of the capital economic circle, an important gateway and node city radiating from Beijing, Tianjin and Hebei to the northeast, an important sea port and a national comprehensive transportation hub in North China, Northeast and Northwest China, the earliest independent trading port in China, the largest aluminum production and processing base in China, and the largest grain and oil processing base in the north, It is known as the "City of Wheel Manufacturing".

Qinhuangdao got its name because the First Emperor of Qin sent people to the sea to seek immortality. It is the only city in China that got its name because of the emperor's name. It is famous for the "Waves Washing Sand · Beidaihe", which gathers rich tourism resources. It is a famous tourist resort at home and abroad. Shanhaiguan District is a national historical and cultural city.

Qinhuangdao is a pilot innovative city in China. It is the most beautiful coastal city in China, one of the top ten eco civilized cities in China, the most livable city in northern China, the best leisure city in China, the most caring city in China, and the happiest city in China. It won the title of National Civilized City in 2017 and National Forest City in 2018. In 2021, Qinhuangdao will achieve a GDP of 184.376 billion yuan, an increase of 6.8% over the previous year.