The representative of Facebook in Vietnam has affirmed Mark Zuckerberg, the founder and CEO of the world largest social network, is on a Christmas vacation in Vietnam .

It was reported that Zuckerberg, the 9 th most powerful man in the world, was issued a two-week visa to Vietnam on Dec 16. He arrived in Hanoi on a chartered plane and is staying at the five-star Metropole hotel in Hanoi .

The billionaire hired a helicopter for a trip to Ha Long Bay, a World Heritage site and recently voted as one of the new world wonders. He then went to the northern mountain resort town of Sapa. /.