Sơn LaSơn La is a city in the north-west region of Vietnam. It is the capital of Sơn La Province. It is bordered by Thuận Châu District, Mường La District, and Mai Sơn District.HistoryIn the era of the Sip Song [Chau Tai|Sip Hoc Chau Tai], Sơn La was a fort of the Black Tai.DemographicsAs of 2019 the city had a population of 106,052, covering an area of 323.5 km2.Administrative divisionsSơn La City is divided into 12 commune-level sub-divisions, including 7 wards and 5 rural communes.ClimateLike most of Northern Vietnam, Sơn La has a dry-winter humid [subtropical climate], affected by the East Asian monsoons.