About Sơn Tây
Sơn Tây is a city in Hanoi, Vietnam with a population of 230,577. It is the 51st largest of the 301 cities of 15,000 or more listed in Vietnam, and the 2,492nd largest worldwide. It lies 37 km from Hanoi.
Key Facts
Country
Region
Rank in region
#10of 53
Coordinates
21.141, 105.507
Record updated
29 July 2025
Entry edited, not measured
City population, GeoNames. GeoNames publishes no year for its population figures, so “record updated” is when the entry was last edited — not the date the population was measured. Elevation is modelled from a digital elevation model rather than surveyed, so it is approximate.
Nearby Cities
All 301 in VietnamClosest listed cities by great-circle distance from the city centre.