3,260 km of coast · 1 million km² of sea

🌊 Seas & Islands

Vietnam's sea is three times its land: the Hoàng Sa and Trường Sa archipelagos plus 3,000+ coastal islands. Browse island profiles on the map and follow the sovereignty timeline.

Data follows official Vietnamese sources and the geography textbook: 4,000+ islands nationwide, ~3,000 of them coastal (densest off old Quảng Ninh, Hải Phòng, Khánh Hòa, Kiên Giang); offshore islands are Bạch Long Vĩ plus the Hoàng Sa (Đà Nẵng) and Trường Sa (Khánh Hòa) archipelagos, shown in their standard inset frames. 21/34 new provinces (28/63 former) touch the sea. Island positions on the map are schematic. Vietnam has full historical and legal grounds affirming sovereignty over both archipelagos.