There are many possibilities to sleep during the Encuentro. The Kunstmühle offers accommodation for 30-35 persons in two single rooms, five double rooms with private bathroom, three family rooms with shared bathroom, and a dormitory with 12 single beds. When you are accepted to the Encuentro you may request a reservation at: https://www.kunstmuehle-veckenstedt.com/de_de/beherbergung-anfrage/

If the Kunstmühle is fully booked, there are some accommodation possibilities in the environment.You can find addresses at:
https://www.kunstmuehle-veckenstedt.com/de_de/beherbergungsmoeglichkeiten-in-der-umgebung/

But for sure there are many more.