Armenian citizens need a Vietnam visa for Armenian when to enter Vietnam. Two ways by which they can apply for the Vietnam visa: at the Vietnam embassy in the nearest country or the easy ways - Vietnam visa arrival.
To get Vietnam visa, you have a valid passport that you acquired over six months ahead of the visa application date and two most recent passport photos at hand.
There is no Vietnam embassy in Armenia, you need go to the Vietnam emabssy in Turkey to get Vietnam visa for Armenian.
Get Vietnam visa arrival: Go to VOA website, fill your information in application form, then payment the service fees. The letter of approval send for you via email, print it and use as a temporal identification when boarding a plane to Vietnam and for claiming your visa upon arriving at Vietnam international airport.
Vietnam visa for business purpose with validity for 1 month, 3 months, 6 months or 1 year.
Vietnam visa for tourist purpose with validity for 1 month or 3 months.