District level · ceased operating on 7/1/2025

Huyện Tây Sơn

The 15 communes, wards and towns of Huyện Tây Sơn were reorganised into 5 new commune-level units.

New unit	From former units of Huyện Tây Sơn
Xã Tây Sơn	Thị trấn Phú Phong, Xã Tây Xuân, Xã Bình Nghi
Xã Bình Hiệp	Xã Bình Tân, Xã Bình Thuận, Xã Tây An
Xã Bình Khê	Xã Tây Thuận, Xã Tây Giang
Xã Bình An	Xã Bình Thành, Xã Bình Hòa, Xã Tây Bình, Xã Tây Vinh
Xã Bình Phú	Xã Bình Tường, Xã Vĩnh An, Xã Tây Phú

A new unit may also include communes from other districts.

Legal basis

Commune level

1664/NQ-UBTVQH15

Adopted 6/16/2025; new commune government operating from 7/1/2025

Number checked, full text pending

Province level

NQ 202/2025/QH15

Adopted 12 June 2025; new province operating from 7/1/2025

District level

Ceased operating

From 7/1/2025 under Resolution 203/2025/QH15 amending the Constitution