District level · ceased operating on 7/1/2025
Thị xã Mường Lay
The 3 communes, wards and towns of Thị xã Mường Lay were reorganised into 1 new commune-level units.
| New unit | From former units of Thị xã Mường Lay |
|---|---|
| Phường Mường Lay | Phường Sông Đà, Phường Na Lay, Xã Lay Nưa |
A new unit may also include communes from other districts.
Legal basis
- Commune level
1661/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