Map of the region including the area of today's West District, Chiayi (1950)Map of the city including the area of today's West District, Chiayi (1950s)Chiayi
City in 1946-1950
The West District was established on 6 October 1990.[3][4]
Administrative divisions
Since February 1, 2010, West District has been divided into forty-five
urban villages:[1][5]
^
abc"Geographic Location". West District Office, Chiayi City. 6 December 2016. Retrieved 13 October 2019. The Jurisdiction of the West Office totals to 29.87 km2; it reduced the villages in the jurisdiction from 55 to 45 on February 1st, 2010.
^各里人口數. 嘉義市西區戶政事務所 West District Household Registration Office, Chiayi City (in Chinese (Taiwan)). Retrieved 15 October 2019.
^沿革簡介. 嘉義市西區區公所 (in Chinese (Taiwan)). 6 January 2017. Retrieved 15 October 2019. 79年10月6日正式成立東、西區區公所,此即為嘉義市西區創始之沿革。