Luong Son (Vietnamese: Lương Sơn) is a district (huyện) of Hoa Binh Province in the northwestern region of Vietnam. Vietnamese ( tiếng Việt, or less commonly Việt ngữ) formerly known under French colonization as Annamese ( see Annam) |||} The provinces of Vietnam are divided into districts ( huyện) provincial cities ( thành phố trực thuộc tỉnh) and Hòa Bình is a mountainous province of Vietnam, located in the nation's northwestern region Tây Bắc (literally "Northwest" is one of the regions of Vietnam, located in the mountainous northwestern part of the country Vietnam (ˌviːɛtˈnɑːm Việt Nam) officially