The area of Phong Dien District is 954 square kilometers.
The population of Phong Dien District is 105,017.
The area of Tuy Phong District is 755 square kilometers.
The area of Phong Tho District is 819 square kilometers.
The area of Cao Phong District is 254 square kilometers.
The area of Que Phong District is 1,895 square kilometers.
The area of Trieu Phong District is 355 square kilometers.
The area of Yen Phong District is 113 square kilometers.
The area of Dien Bien District is 1,639.35 square kilometers.
The area of Dien Chau District is 307 square kilometers.
The area of Long Dien District is 77 square kilometers.
The area of Dien Khanh District is 513 square kilometers.
The area of Quang Dien District is 163 square kilometers.