City profile · Vietnam · Asia
Diễn Thành
City population
21,605
#272
in Vietnam
#6
in Nghe An Province
#23,861
worldwide
18.977, 105.600 · 229 km from Hanoi
About Diễn Thành
Diễn Thành is a city in Nghe An Province, Vietnam with a population of 21,605. It is the 272nd largest of the 301 cities of 15,000 or more listed in Vietnam, and the 23,861st largest worldwide. It lies 229 km from Hanoi.
Key Facts
Country
Region
Rank in region
#6of 8
Coordinates
18.977, 105.600
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.