Join 健康与福祉 upcoming events being held in Lạng Sơn. Lạng Sơn is a vibrant city nestled in a valley surrounded by lush mountains and stunning natural beauty in northeastern Vietnam, known for its rich history, cultural diversity, and popular attractions such as the Mac Dynasty Citadel, Mau Son Temple, and the bustling Khau Vai Love Market, offering a unique blend of tradition, modernity, and scenic wonders for visitors to explore.