Chi Lăng is a rural district of Lạng Sơn province in the Northeastern region of Vietnam.

It is famous for many decisive battles at Chi Lăng pass in which the Vietnamese defeated the Chinese invaders.

Lý Thường Kiệt, Trần Hưng Đạo and Lê Lợi were among the army leaders that won battles in the district.

Chi Lang district is located in the south of Lạng Sơn province, 106 km from Hà Nội city, 35 km from Lạng Sơn city, with the geographical location: Chi Lăng district has an area of 707.45 km2, and the population in 2019 is 75,063.

Nearly 74% of the population lives in rural areas and in agricultural production, urban population about 26% The district consists of two towns: Đồng Mỏ and Chi Lăng, and 18 communes: Bắc Thủy, Bằng Hữu, Bằng Mạc, Chi Lăng, Chiến Thắng, Gia Lộc, Hòa Bình, Hữu Kiên, Lâm Sơn, Liên Sơn, Mai Sao, Nhân Lý, Quan Sơn, Thượng Cường, Vân An, Vạn Linh, Vân Thủy and Y Tịch.