Beihai City, prefecture-level city under the jurisdiction of the Guangxi Zhuang Autonomous Region, also known as "Pearl City", the Beibu Gulf City Cluster, an important node city in the Beibu Gulf Economic Zone of Guangxi, is located in the southern end of the Guangxi Zhuang Autonomous Region, the northeastern shore of the Beibu Gulf, the terrain is generally high in the north and low in the south, the terrain is flat and open; the climate is oceanic monsoon climate with typical subtropical characteristics, with a total area of 3,337 square kilometers, the city under the jurisdiction of three districts and one county. 3,337 square kilometers, the city under the jurisdiction of three districts and one county, as of the end of 2022, the city's resident population of 1,881,000 people. In the fifteenth year of the Republic of China (1926), Beihai City was established. Beihai City is an important port of departure of the ancient "Maritime Silk Road", one of the earliest foreign trade ports in China, and historically one of the major commodity distribution centers for overseas trade between Yunnan-Guizhou, Sichuan, Gui, Hunan and Hubei Provinces; at the same time, it is also a national historical and cultural city, the only coastal city in western China included in the first batch of 14 cities in China that are further open to the outside world, and the only coastal city in western China that has been granted the status of a National Historical and Cultural Heritage City. Beihai is also a national historical and cultural city, the only coastal city in western China included in the first batch of 14 cities in China to be further opened to the outside world, and the only city in western China with a deep-water seaport, an all-weather airport, a high-speed railroad and an expressway. In 2022, the GDP of Beihai City will be 167.421 billion yuan, an increase of 3.5% from 2021.