Ji 'an City, a county-level city under the jurisdiction of Tonghua City in Jilin Province, is located in the southeast of Jilin Province and the south of Tonghua City. It is located at the southwest foot of Changbai Mountain and has a north temperate continental climate. It is adjacent to 5 districts and counties with a total area of 3341 square kilometers. Ji 'an City southeast across the Yalu River and the Democratic People's Republic of Korea, the territory of Ji 'an port is one of China's three trade ports to North Korea, is also the only port city in Tonghua City. As of October 2022, Ji 'an has jurisdiction over 4 subdistricts, 9 towns, 1 township and 1 nationality township. By the end of 2021, Ji 'an has a total population of 206,409.

Ji 'an, formerly known as Ji 'an (taking the meaning of "He 'an"), was written in the Biography of Sima Xiangru, "Your Majesty ascended the throne, submitted to the world, and Ji 'an China." It is also named because it is located at the border and has the meaning of extraterritorial security and collective peace. Qing Guangxu twenty-eighth year (1902), built Ji 'an County; In March 1965, it was changed to Ji 'an County; In April 1988, Ji 'an was renamed Ji 'an and administered by Tonghua City.

The main scenic spots in Ji 'an city are Goguryeo historical sites, Five female Peaks National Forest Park, Yunfeng Lake Tourist Resort, Jilin Ji 'an Bawangchao National Wetland Park. On November 10, 2020, Ji 'an City was selected into the "List of the sixth National Civilized Cities". On December 17, 2020, Ji 'an City was selected as the "fourth batch of National Tourism Standardization Demonstration Units List". In January 2023, Ji 'an City was selected as one of the "Most Beautiful Counties in China 2022".

In 2021, the GDP of Ji 'an reached 7.287 billion yuan, with a year-on-year growth of 6.6%. The ratio of the added value of the primary, secondary and tertiary industries was 10.76:22.73:66.51; 2.901 billion yuan spent in the general public budget; Total retail sales of consumer goods totaled 2.213 billion yuan; Total investment in fixed assets reached 3.52 billion yuan; The per capita disposable income of rural and urban permanent residents reached 17,428 yuan and 29,205 yuan, up 8.7 percent and 7.6 percent, respectively.