More Image (4) HALONG BAY VIETNAM HANOI Halong Bay is a beautiful natural wonder in northern Vietnam, near the Chinese border. The bay is dotted with 1,600 islands and limestone islets and covers an area of over 1,500 square kilometers. This extraordinary area was declared a UNESCO World Heritage Site in 1994. For many tourists this place is like something just out of a movie. The fact is that Halong Bay presents a wide range of biodiversity, while the surreal scenario is truly characterized by endless films. Halong Bay cruises are the right way to get to know this very picturesque bay ... you can do one, two or three days on boats that are also quality boats with excellent service on board, here you will find some of the best trips you can do.