Area: 14,174,4 sq. km.
Population:1,007.5 thousand habitants (2006)
Capital: Son La City.
Districts: Quynh Nhai, Muong La, Thuan Chau, Phu Yen, Bac Yen, Mai Son, Song Ma, Yen Chau, Moc Chau, Sop Cop.
Ethnic groups: Dao, Thai, Viet (Kinh), H'Mong, Muong.

Location: Son La Provincial Museum is located in the centre of Son La City, 328km from Hanoi.
Characteristics: The Son La Provincial Museum was originally a penitentiary built by the French in 1908; thousands of Vietnamese patriots were imprisoned here.

Location: Moc Chau Plateau is 199km from Hanoi along National Highway 6.
Characteristics: The plateau is about 1,000m above sea level and around 80km long and 25km wide.

Location: Located in Chieng An Commune, 2km from the Son La Town.
Characteristics: Tham Tet Toong Grotto is a wonder of nature. The cave is more than 150m long.