The area of Muong Lay is 114.035 square kilometers.
Muong Lay's population is 14,379.
The area of Muong Te District is 3,679 square kilometers.
The area of Muong Cha District is 1,826 square kilometers.
The area of Muong Nhe District is 2,508 square kilometers.
The area of Muong La District is 1,408 square kilometers.
The area of Muong Khuong District is 552 square kilometers.
The population of Muong Te District is 47,406.
Muong Cha District's population is 49,242.
The population of Muong Nhe District is 34,829.
Muong La District's population is 74,668.
Muong Khuong District's population is 48,242.
Battle of Muong Khoua happened on 1953-05-18.