- Con Dao city is a small city located on Con Dao Island in Ba Ria-Vung Tau province, Vietnam. It is the largest city on the island and serves as the administrative and commercial center. Con Dao Island is known for its pristine beaches, lush greenery, and historical significance as a former prison during the French colonial period and the Vietnam War. The city offers various tourist attractions, including Con Dao National Park, Con Dao Museum, Phu Hai Prison, and beautiful beaches like Dam Trau and An Hai. It is also a popular destination for diving and snorkeling due to its crystal-clear waters and diverse marine life. Con Dao city provides accommodation options, restaurants, and shops to cater to the needs of tourists.