Lang Son is a frontier mountainous province in the North-East of Vietnam. It shares border with Cao Bang Province on the south, Bac Giang Province on the north, Guangxi (China) on the east, Quang Ninh Province on the north-east and Bac Kan, Thai Nguyen provinces on the west.
Lang Son is 154km from Hanoi, 60km from Thai Nguyen, 48km from Quang Ninh, 55km from Cao Bang, 73km from Bac Kan.
Mountains and hills cover over 80% of the province’s total area. The complex network of rivers makes a good condition for agriculture. Main rivers that run through the province are: Ky Cung, Ba Thin, Bac Giang, Bac Khe, Thuong, Hoa, and Trung rivers.
Lang Son has two international border gates including Dong Dang railway border gate and Huu Nghi road border gate, two national border gates such as Chi Ma (in Loc Binh District) and Binh Nghi (in Trang Dinh District)… So Lang Son has an important strategic position in the North-East of Vietnam.
Lang Son has potentiality of mineral, forestry, tourism and trading. Star aniseed (hoa hoi) is a specialty. The province is proud of many culture and historical vestiges. They are Rampart of Mac Dynasty, Doan Citadel Vestige, Chi Lang Defile, Ky Cung and Bac Le temples. Apart of these, Ky Lua Market, To Thi and Mau Son mountains, Tam Thanh, and Nhi Thanh grottoes also attract many visitors every year. Especially, lots of people come to Ky Lua and Tam Thanh markets to shopping because the goods are abundant and cheap.