Dictionary of Medieval Names
from European Sources

Warnburg f. A derivative of Old Saxon waru, Old High German wara 'protection, watch' + Old High German burg 'castle, city, stronghold'.

The Netherlands
Latin
850 Werenburgh (nom) OrkGZ no. 41
Cite as: A. Brown, S.L. Uckelman. "Warnburg". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2023, no. 1. http://dmnes.org/2023/1/name/Warnburg.