Yên Sơn is a rural district of Tuyên Quang province, in the Northeast region of Vietnam. As of 2003 the district had a population of 175,917…Yên Sơn is a rural district of Tuyên Quang province, in the Northeast region of Vietnam. As of 2003 the district had a population of 175,917. The district covers an area of 1210 km². The district capital lies at Tân Bình.
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