Quảng Bình Essentials
Quảng Bình is home to the UNESCO-listed Phong Nha-Kẻ Bàng National Park, featuring the world’s oldest karst mountains and an extensive network of over 300 caves. The region contains global landmarks like Sơn Đoòng, the largest cave on Earth, and Hang Én. In addition to subterranean wonders, the province offers historical sites such as the 19th-century Đồng Hới Citadel and the turquoise waters of the Chay River and Mooc Spring, reflecting both natural diversity and military history.
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