Does Greek citizens need visa for entering Vietnam or not?

Yes, the citizens of Greece need to possess a valid visa for visiting Vietnam. The Hellenic republic (Greece) and Vietnam have shared diplomatic relations since 1975 but they haven’t entered into a reciprocal agreement with respect to visa exemptions. Hence, the citizens of Greece need to apply for a visa to visit Vietnam even for a short duration and vice versa. However, because of the democratic relations there are some exceptions for the citizens of Greece and some of those are as follows:

1) The Greek citizens possessing a diplomatic or official passport do not have to apply for a visa, under a condition that the visit lasts for not more than 90 days. If the stay lasts longer, the officials will have to apply for a visa. 

Some information & procedure to get visa at embassy of Vietnam in Greece

Vietnam and Greece diplomatic and economic relations have been booming over the last decade. Hence, there is an increased interest among the people to travel between these countries. However, these countries have made it mandatory to possess a visa for the citizens to visit the other. The details of the same for Greek citizens have been elaborated in the Vietnam Visa Policy. However, some people are exempted from applying for a visa. It is requested that you get familiar with the exemptions before applying for a visa. You may apply via the embassy or through agencies like ours for a VOA. 

There are Vietnam embassies in a number of countries including Greece making the process simpler for Greek citizens. The process for getting an embassy visa is mentioned below: