Guixi () is a county-level city under the jurisdiction of the prefecture-level city of Yingtan, Jiangxi Province, China, bordering Fujian Province to the southeast.
The city covers two-thirds of the land area in the municipal region. Like Yuehu District, the prefectural seat, Guixi's centre Xiongshi lies on the Xin River ().
The city executive, legislature and judiciary are in Xiongshi Subdistricts (), together with the CPC and PSB branches.
In the present, Guixi City has 3 subdistricts, 13 towns, 6 townships and 1 ethnic township.
Guixi is a railroad junction for the AnhuiâÂÂJiangxi and the Zhejiang-Jiangxi Railways.