Ha Long Bay is located in Quáng Ninh province, Vietnam. The bay features thousands of limestone karsts and isles in various sizes and shapes. The bay has a 120 kilometre long coastline and is approximately 1,553 square kilometres in size with 1969 islets. Did you know that Hạ Long Bay literally means descending dragon? Local legend has it that the dragon was sent by the Gods to defend Vietnam when it was a developing country.