Getting a Vietnam Visa in Luang Prabang, Laos is quite easy and much cheaper than at home in Europe.
The Address of the Vietnamese Consulate in Luang Prabang is No. 427-428, That BoSot Village.
It is a 15 Minute walk from the center, see Hobomaps Luang Prabang at coordinates HO 174, near Wat Mounena.
We applied for a 30 days single entry visa on Tuesday afternoon and got it on Thursday morning for 40 USD per person.