CNN praised Halong Bay for its" incredible sunsets", which is a must for visitors.
Asia's top five sites include Indonesia 's Anambas Islands , Thailand 's Similan Islands and the Kok Chang archipelago, Malaysia 's Langkawi Islands and Vietnam 's Halong Bay .
The results are based on surveys of tour operators and prestigious Asian journalists.
CNN also described Halong Bay as a stunning place to go cruising with its magnificent mountainous islands and dreamlike coves and one of the most amazing destinations anywhere in the world
UNESCO has previously recognised Halong Bay as a World's natural heritage.