Questenberg is a village and a former municipality in the Mansfeld-Südharz district, Saxony-Anhalt, Germany.

Since 1 January 2010, it has been part of the Südharz municipality.

[1] First settlement traces date from 5th and 6th centuries BC.

Remainders of the castle (attachment walls and tower), on the steep mountain at the eastern periphery of the village can still be visited and is currently restored by the local Förderverein Questenburg e.V.

This Mansfeld-Südharz location article is a stub.