From Hungary, visitors can apply for a visa through one of the embassy of Vietnam in Hungary below or apply for a Vietnam visa  online. Here below is the specific address of Vietnam Embassy you may concern:

Embassy of Vietnam in Budapest, Hungary
1062 Déhibáb, U.29, Budapest, Hungary
Tel: (361) 342 5583 (361) 342 9922 Consular: 343 3836
Fax: (361) 352 8798

Besides, citizens in Hungary can select among 3 options to get visa to Vietnam:

–          Visit Vietnam Embassy in Hungary or in any other countries to get Vietnam visa done there.

–          Apply for Vietnam visa on arrival at https://vietnamvisaonentry.com/apply-online/ and pick up your visa at one of 3 international airports in Vietnam

–          Apply for Vietnam visa code at https://vietnamvisaonentry.com/apply-online/ and get visa stamped at Vietnam Embassy where you wish to pay a visit to.