Ngân Sơn is a rural district of Bắc Kạn province in the Northeast region of Vietnam. As of 2019, the district had a population of 29,269 people. T…Ngân Sơn is a rural district of Bắc Kạn province in the Northeast region of Vietnam. As of 2019, the district had a population of 29,269 people. The district covers an area of 644.4 km². The district capital lies at Vân Tùng commune.
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