Yen Bai is an agricultural-based province located in Tay Bac, the northern part of northern-central Vietnam. It shares borders with six provinces which are Ha Giang Province, Lao Cai Province, Lai Chau Province, Son La Province, Phu Tho Province, and Tuyen Quang Province. The province covers an area of 6899.5 square kilometres and as of ...
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