Dong Hoi is a coastal city located in central Vietnam, serving as the capital of Quang Binh Province. It is known for its beautiful beaches, such as Nhat Le Beach, and its proximity to the famous Phong Nha-Ke Bang National Park, a UNESCO World Heritage site renowned for its stunning limestone caves and biodiversity. The city has a rich history, influenced by various cultures over the centuries. Visitors can explore historical sites like the Quang Binh Citadel and enjoy local cuisine, which features fresh seafood and traditional Vietnamese dishes. Dong Hoi is also a gateway for travelers heading to the nearby DMZ (Demilitarized Zone) from the Vietnam War.