Visa policy of the Vietnam :
Visitors to the United Arab Emirates must obtain a visa prior to travel unless they come from one of the visa exempt countries or one of the countries whose citizens are eligible for visa on arrival.
Citizens of member nations of the Gulf Cooperation Council have a freedom of movement in the UAE, except for citizens of Qatar who are no longer allowed to enter (since 2017), unless they are a family member of a resident.
All visitors visiting the United Arab Emirates must hold a passport valid for at least 6 months. GCC nationals (except Qatar) need to only show their government issued ID card or driving license.