The area of Yen Bai is 58 square kilometers.
The area of Yen Bai province is 6,899.5 square kilometers.
The population of Yen Bai is 78,016.
Yen Bai province's population is 750,200.
Yen Bai mutiny happened on 1930-02-10.
The population density of Yen Bai province is 109 people per square kilometer.
The cast of Thi Tran Yen Tinh - 1986 includes: Bai Binh Bui Trinh Thinh
The area of Vinh Yen is 50.87 square kilometers.
The area of Yen My District is 91 square kilometers.
The area of Phuc Yen is 120 square kilometers.
The area of Bao Yen District is 821 square kilometers.
The area of Yen Chau District is 844 square kilometers.
The area of Y Yen District is 240 square kilometers.