It's in the main database here (
https://www.behindthename.com/name/danka), listed as a Serbian, Slovak, and Polish name.
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"In every journey, the traveler must ask: was the right path taken? Many roads are long and winding, filled with those who have lost their way. Some forge their own course, guided by faith, seeking not a location, but a kindred soul." – Mohinder Suresh, Heroes