District in North Central Coast, Vietnam
Quan Sơn is a district (huyện) of Thanh Hóa province in the North Central Coast region of Vietnam.
As of 2019 the district had a population of 45,520.[1] The district covers an area of 943 km². The district capital lies at Quan Sơn.[1]
References
20°15′00″N 104°49′59″E / 20.250°N 104.833°E / 20.250; 104.833