Population
16,112
Area
294.22 km²
Type
Xã
Unit Code
07537
The following former administrative units were consolidated to form Commune Bien Son during Vietnam's 2025 administrative reform.
Xã Phong Vân
Former administrative unit
Xã Biên Sơn
Former administrative unit
Trường bắn TB1
Former administrative unit
Commune Bien Son
New ward — 2025 administrative reform
3 units merged under the 2025 Vietnam administrative consolidation, reducing from 63 to 34 provinces and 10,000+ to 3,321 wards.