Nansi (楠西) was so named because it is west of the Cishan River (Qishan). The 'nan' (楠) in 'Nansi' is an abbreviation for Nanzixian River (楠梓仙溪), an alternate name for Cishan River. The 'si' (西) means 'west'. This name originated in the period of Taiwan under Japanese rule.[6]
^"District Office". Tainan City Government Global Website. 2016-06-03. Retrieved 22 November 2019. Nansi District Office
^"District Supervisor". Nansi District Office Tainan City. 2018-03-29. Retrieved 22 November 2019. District Chief: Xiao Tai-hua Current Position: District Chief, Nansi District Office, Tainan City, Taiwan District Office Address: No.230, Jhongjheng Rd., Nansi Dist., Tainan City 715, Taiwan
^"Nansi District". Bureau of Education, Tainan City Government. Retrieved 30 August 2020. Tainan Municipal Nansi Junior High School
^1.7-鄉鎮市區戶口數 [Population for Township and District]. Ministry of the Interior (in Chinese (Taiwan) and English). August 2020. Retrieved 21 September 2020. 楠西區 Nansi District 109.6316 3,491 9,234 4,864 4,370 111.30 2.65 84
^ ab認識楠西. Nansi District Office, Tainan City (in Chinese (Taiwan)). 2010-12-09. Archived from the original on 11 November 2020. Retrieved 11 November 2020.