Blóðdropinn

Blóðdropinn (Drop of Blood) is an annual Icelandic literary award for the best crime novel of the previous year, which has been awarded since 2007. The author of the winning novel becomes Iceland's candidate for the Glass Key award.

From the Wikipedia article “Blóðdropinn”, licensed under CC BY-SA 4.0.

Check the official rules of the Blóðdropinn 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.