According to Baidu Encyclopedia, Longhai District under the jurisdiction of Zhangzhou City, Fujian Province is located in the southeast of Fujian Province and the east of Zhangzhou City. The telephone area code is 0596, the postal code is 363 100, the administrative division code is 350604, the administrative category is municipal district, and the license plate code is min e.

Longhai District is located in the southeast coast of Fujian Province, at the mouth of Jiulong River, the second largest river in Fujian Province, adjacent to the main city of Zhangzhou in the west and Xiamen Bay in the east. It has the geographical advantage of "connecting the east with the west" and is the forefront of Fujian's reform and opening up and cooperation with Taiwan. It is also the "bridgehead" for the development of Xiamen-Zhangzhou city. The urban area is 20 kilometers away from the main urban area of Zhangzhou, forming a half-hour economic and living circle with Xiamen. The nearest distance to Xiamen is only 2 nautical miles, and the urban passenger terminal is 50 kilometers away from Xiamen Terminal 19 nautical miles and Xiamen Airport. It is a national sanitary city, a county for the protection and utilization of revolutionary cultural relics, a county that meets the standards for the construction of water-saving society, and a civilized city in Fujian Province.