Con Dao is an archipelago located off the southeastern coast of Vietnam, known for its stunning natural beauty and rich history. The main island, Con Son, features pristine beaches, lush forests, and diverse marine life, making it a popular destination for eco-tourism and relaxation. Historically, Con Dao was used as a prison during the French colonial period and the Vietnam War, with the infamous Con Dao Prison serving as a site of significant suffering. Today, visitors can explore historical sites while enjoying the island's serene environment, which includes national parks and coral reefs.