Yen Bai yew sûka dewleta Vietnamiya.

Yen Bai
Melumat
Dewlete Vietnam
Merkezê idarey Yên Bái (wılayet)
Ware Yên Bái (wılayet)
Erd 106,78 km2
Nıfus 100 631
Berziye 65 m
Geokod 1560349
Website www.yenbai.gov.vn/vi/org/htt/tpyenbai/Pages/trangchu.aspx
Wikidata sera bıvurne