Do Australia passport holders need a visa to Vietnam?
Visa is required for citizens of Argentina visiting Vietnam. Argentina nationals may have 2 options: Visit Vietnam embassy in Argentina (Buenos Aires) or apply for a visa on arrival to Vietnam from Argentina online. Argentina citizens may apply for both tourist and business visa to Vietnam for the stay of 1 to 6 months from Argentina. Please check this link for visa fee for Argentina citizens.
Disclaimers: This is Commercial/Private Website belong to Vietnam Visa Agent - tourist company (It doesn't belong to Government) to support for travelers worldwide who come to Vietnam get Vietnam Visa pre-approval letter which they can pick up visa on arrival when they arrival Vietnam International airport.