Editing South Vietnam (section)

====Regions====
{{See also|State of Vietnam#Autonomous regions}}

Throughout its history South Vietnam had many reforms enacted that affected the organisation of its administrative divisions.<ref name="Mocban-South-Vietnam-administrative-divisions">{{Cite web |date=2021 |title=Significant Collections > Fonds of the Tòa Đại Biểu Chánh Phủ Tại Trung Nguyên Trung Phần or the Office of the Government's Representative in Central Midlands |url=https://mocban.vn/en/about-us/significant-collections/#2ed77c7ea1169d011b4e6674590c3125 |access-date=31 March 2021 |website=Royal Woodblocks of Nguyễn Dynasty – World Documentary Heritage |publisher=The National Archives Center No. 4 (State Records and Archives Department of Vietnam) |language=en |archive-date=12 April 2021 |archive-url=https://web.archive.org/web/20210412140547/https://mocban.vn/en/about-us/significant-collections/#2ed77c7ea1169d011b4e6674590c3125 |url-status=live}}</ref>

On 24 October 1956 Diệm enacted a reform of the administrative divisions system of the Republic of Vietnam in the form of Decree 147a/NV.<ref name="Mocban-South-Vietnam-administrative-divisions" /> This decree divided the region of [[Central Vietnam|Trung phần]] into Trung nguyên Trung phần (the Central Midlands) and Cao nguyên Trung phần (the Central Highlands).<ref name="Mocban-South-Vietnam-administrative-divisions" />

The offices of appointed representative and assistant representative of the central government were created for the region of Trung phần, the main representative had an office in [[Buôn Ma Thuột]], while the assistant had an office in Huế.<ref name="Mocban-South-Vietnam-administrative-divisions" />

Following the 1963 coup d'état that ousted Diem the Central Government's Representatives in the Trung phần region were gradually replaced by the control of the Tactical zone's Commanders (Tư lệnh Vùng Chiến thuật), which replaced a civil administration with a military one.<ref name="Mocban-South-Vietnam-administrative-divisions" /> However, following the 1967 Senate election the military administration was replaced back with civilian administrators.<ref name="Mocban-South-Vietnam-administrative-divisions" />

On 1 January 1969, during the presidency of Thiệu, Act 001/69 became effective which abolished the offices of government's representative and assistant government's representative, this was later followed on 12 May 1969 with Decree 544 – NĐ/ThT/QTCS which completely abolished the civil administration in Trung nguyên Trung phần in favour of the ''Tư lệnh Vùng Chiến thuật''.<ref name="Mocban-South-Vietnam-administrative-divisions" />