Georg Büchner Prize

The Georg Büchner Prize (German: Georg-Büchner-Preis) is the most important literary prize for German language literature. The award is named after dramatist and writer Georg Büchner, author of Woyzeck and Leonce and Lena. The Georg Büchner Prize is awarded annually for authors "writing in the German language who have notably emerged through their oeuvre as essential contributors to the shaping of contemporary German cultural life".

From the Wikipedia article “Georg Büchner Prize”, licensed under CC BY-SA 4.0.

Check the official rules of the Georg Büchner Prize for the current eligibility window, accepted formats, residency or language requirements and any entry fee. For most established prizes the publisher submits on the author's behalf, often with a limit on entries per imprint.

If you are self-published, look for an explicit statement that independently published books are accepted, and budget for entry fees and copies for judges.