evidence: Viet Nam faces the Eastern Sea to the East and the Gulf of Thailand to the South and Southwest. The country has a long coastline of 3,260 km running from Mong Cai in the North to Ha Tien in the Southwest. Viet Nam’s territorial waters in the Eastern Sea extend to the East and Southeast, including the continental shelf, islands and archipelagoes. There is a group of around 3,000 islets belonging to Viet Nam in the Tonkin Gulf, including Ha Long Bay, Bai Tu Long Bay, Cat Hai, Cat Ba and Bach Long Vi Island. Farther in the Eastern Sea are Hoang Sa Archipelago (Paracel Islands) and Truong Sa Archipelago (Spratly Islands). To the West and the Southwest, there are groups of islands including Con Son, Phu Quoc and Tho Chu.