1. Halong Bay is located on the West Bank of the Gulf of Tonkin, including the sea and islands of Ha Long city, Cam Pha city and a part of Van Don island district, Quang Ninh province. Ha Long Bay has a coastline of 120km, an area of about 1,553 square kilometers, comprising 1,969 islands of all sizes, mostly limestone islands, of which the core area of the bay has an area of 335 square kilometers, dense with 775 islands of all sizes. .. |