Jingkou District, belonging to Zhenjiang City, Jiangsu Province, with a total area of 124.68 square kilometers. It has 6 streets and 2 parks under its jurisdiction. According to the seventh national census data, as of 00:00 on November 1, 2020, Jingkou District resident population of 355,757 people, accounting for 11.08% of the total population of Zhenjiang City. Jingkou was known as Jingkouli in Han, until Sun Quan of Eastern Wu built the Iron Urn Castle and set up Jingkou Town. Jinling County was set up in Jin Dynasty, South Xuzhou was set up in Southern Song Dynasty, Runzhou was set up in Sui Dynasty, Runzhou was elevated to Zhenjiang Prefecture in Song Dynasty, and has been used until now. 1983, Zhenjiang City set up urban areas and suburbia, and in December of the same year, the urban area was renamed Jingkou District, and then went through 2 zoning adjustments to form the current administrative divisions. Jingkou District is located in the south bank of the lower reaches of the Yangtze River, east of the ancient Canal, the "Cross Golden Waterway" Yangtze River and the Beijing-Hangzhou Grand Canal in the territory of the confluence, is connected to the south of Jiangsu Province, the north of Jiangsu Province, the flow of materials and the hub of economic cooperation. Jiao Mountain and Beigu Mountain are distributed along the Yangtze River within the jurisdiction, which is famous for "urban mountains and forests, and the style of the big river", and has the reputation of "the first rivers and mountains in the world".In October 2018, the city was selected as one of the Top 100 National Districts of Investment Potential in 2018, and one of the Top 100 National Districts of Science and Technology Innovation in 2019, and one of the Top 100 National Districts of Science and Technology Innovation in 2019. and 2019 Top 100 National Science and Technology Innovation Districts. In 2020, Jingkou District will accomplish a gross regional product of 45.2 billion yuan, an increase of 4%.