Dao Co To is a beautiful island district located in Quang Ninh province, Vietnam. It is known for its stunning natural landscapes, including pristine beaches, crystal-clear waters, and lush green hills. The district is made up of Co To Island, the largest island in the archipelago, as well as numerous smaller islands. Dao Co To is a popular destination for tourists looking to escape the hustle and bustle of city life and immerse themselves in the tranquility of nature. Visitors can enjoy a range of outdoor activities, such as swimming, snorkeling, and hiking, as well as exploring the local fishing villages and experiencing the unique culture of the island's inhabitants.