Lạng Sơn province
| Lạng Sơn province Phân khu Cao Bắc Lạng | |
|---|---|
| From top, left to right : Mother Mountain, Diên Khánh Pagoda, Tam Thanh Cave and Lạng Sơn City. | |
| Nickname(s): "Langland" (Xứ Lạng) "Staraniseland" (Miền hồi hoa) | |
| Motto(s): "Who come to Langland with me..." (Ai lên xứ Lạng cùng anh...) | |
| Anthem: Come to Langland (Về Lạng Sơn) Road to Langland (Đường về Lạng Sơn) | |
| Location of Lạng Sơn within Vietnam. | |
| Coordinates: 21°45′N 106°30′E / 21.750°N 106.500°E | |
| Country | Vietnam | 
| Region | Northeast | 
| Central hall | No.2, Hùng Vương street, Chi Lăng ward, Lạng Sơn city | 
| Subdivision | 15 municipalities 10 rural districts | 
| Government | |
| • Type | Province | 
| • Body | Lạng Sơn Provincial People's Government | 
| • Chairman of People's Committee | Hồ Tiến Thiệu | 
| • Chairman of People's Council | Hoàng Văn Nghiệm | 
| Area | |
| 8,310.18 km2 (3,208.58 sq mi) | |
| Population  (2024) | |
| 814,000 | |
| • Density | 98/km2 (250/sq mi) | 
| • Urban | 180,000 | 
| Ethnic groups | |
| • Nungz | 42.90% | 
| • Tai | 36.08% | 
| • Kinh | 16.09% | 
| • Yao | 3.61% | 
| • Others | 1.32% | 
| GDP | |
| • Province | VNĐ 30.355 trillion US$ 1.318 billion | 
| Time zone | UTC+7 (Indochina Time) | 
| Area codes | 205 | 
| ISO 3166 code | VN-09 | 
| HDI (2020) | 0.692 (43rd) | 
| Website | Langson.gov.vn Langson.dcs.vn | 
Lạng Sơn [la̰ːʔŋ˨˩:səːn˧˧] is a province in the Northeastern region of Vietnam.