Ji'an (Chinese: 吉安; pinyin: Jí'ān) 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.

Ji'an lies next to the Luoxiao Mountains (罗霄山脉) with the Gan River running through the middle of the city.

Ji'an (吉安) is an abbreviation of its original name "吉泰民安" (pinyin: Jítài Mín'ān).

[5] The Ji'an municipal region comprises two districts, a county-level city and ten counties.

[6] 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.