| Ji'an | |
| Other Name: | Kian |
| Settlement Type: | Prefecture-level city |
| Pushpin Map: | Jiangxi |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location of the city centre in Jiangxi |
| Pushpin Mapsize: | --> |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Jiangxi |
| Leader Title: | CPC Secretary |
| Leader Name: | Wang Ping (Chinese: 王萍) |
| Leader Title1: | Mayor |
| Leader Name1: | Wang Shaoxuan (Chinese: 王少玄) |
| Area Total Km2: | 25283 |
| Area Urban Km2: | 1340 |
| Area Metro Km2: | 1340 |
| Elevation M: | 62 |
| Elevation Ft: | 202 |
| Population As Of: | 2020 census |
| Population Footnotes: | [1] |
| Population Total: | 4469176 |
| Population Density Km2: | auto |
| Population Metro: | 643399 |
| Population Density Metro Km2: | auto |
| Population Urban: | 643399 |
| Population Density Urban Km2: | auto |
| Demographics Type2: | GDP[2] |
| Demographics2 Info1: | CN¥ 132.3 billion US$ 21.3 billion |
| Demographics2 Title2: | Per capita |
| Demographics2 Info2: | CN¥ 27,168 US$ 4,362 |
| Timezone: | China Standard |
| Utc Offset: | +8 |
| Coor Pinpoint: | Ji'an municipal government |
| Coordinates: | 27.0912°N 114.9668°W |
| Postal Code: | 343000 |
| Area Code: | 0796 |
| Iso Code: | CN-JX-08 |
| Blank Name: | Licence plate prefixes |
| Blank Info: | Chinese: 赣D |
Ji'an is a prefecture-level city situated in the central region of Jiangxi province of the People's Republic of China while bordering Hunan province to the west. It has an area of 25219km² and as of the 2020 census, had a population of 4,469,176, of whom 643,399 live in the built-up (or metro) area made of 2 urban districts. Ji'an lies next to the Luoxiao Mountains (Chinese: 罗霄山脉) with the Gan River running through the middle of the city. Local dialects include a form of Gan Chinese (Jicha subgroup, Chinese: 吉茶片) as well as Hakka Chinese.
Ji'an is an abbreviation of its original name "Chinese: 吉泰民安" . It has also formerly been known as Luling (Chinese: 廬陵)[3] and Jizhou (Chinese: 吉州).
The Ji'an municipal region comprises two districts, a county-level city and ten counties.
Ji'an has a humid subtropical climate (Köppen Cfa) affected by the East Asian monsoon, with long, humid, very hot summers and cool and drier winters with occasional cold snaps. The monthly 24-hour average temperature ranges from in January to 29.8°C in July, with an annual average of 18.69°C. The average annual precipitation is around 1570mm. With monthly percent possible sunshine ranging from 19% in March to 59% in July, the city receives 1,641 hours of bright sunshine annually. Winter begins somewhat sunny and dry but becomes progressively wetter and cloudier; spring begins especially gloomy, and from April to June each of the months averages more than 210mm of rainfall. After the heavy rains subside in June, summer is especially sunny. Autumn is warm and relatively dry.
Jinggangshan Airport in Taihe County serves Ji'an. The Beijing-Kowloon Railway line passes through the Ji'an municipality with train stations in Xingan, Xiajiang, Jishui, Ji'an (Ji'an Station), and Taihe. Ji'an is connected to the China National Highways 105 and 319.
Jinggangshan University is located in Qingyuan District, Ji'an.
The Ji'an Public Library, with its main library in Jizhou District, serves the city.[4]