Britannica AI Icon
Adding us as a Preferred Source tells Google you trust our content, so our articles show up more often in your Google Search, Discover feed, and AI Overviews.
verifiedCite
While every effort has been made to follow citation style rules, there may be some discrepancies. Please refer to the appropriate style manual or other sources if you have any questions.
Select Citation Style
Feedback
Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login).
Thank you for your feedback

Our editors will review what you’ve submitted and determine whether to revise the article.

Waldeck, a former Kreis (administrative district) and state of Germany, between Westphalia and Hesse-Nassau. For centuries a principality and from November 1918 to March 1929 a republic and constituent state of the Weimar Republic, it was on April 1, 1929, amalgamated with Prussia at the request of its people. It had an area of 420 square miles (1,088 square km), covered with hills containing farmland, mines, and slate and stone quarries. The old capital was Arolsen.

Discover the fascinating events that shaped the world, straight from our editors.
By clicking “Sign Up”, you consent to the Britannica Privacy Policy and Terms of Use.