Yen Bai yew sûka dewleta Vietnamiya.

Yen Bai
Melumat
Dewlete Vietnam
Merkezê idarey Yên Bái (wılayet)
Ware Yên Bái (wılayet)
Erd 106,78 km2
Geokod 1560349
Website www.yenbai.gov.vn/vi/org/htt/tpyenbai/Pages/trangchu.aspx
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