storhertigdöme
A storhertigdöme, or grand duchy, is a sovereign state ruled by a grand duke or grand duchess. This form of government is a hereditary monarchy, ranking in precedence between a kingdom and a duchy. Historically, grand duchies were more common, often emerging from larger duchies that gained increased autonomy or through the elevation of a duke's status. The title of grand duke itself implies a level of sovereignty and prestige beyond that of a mere duke.
The concept of a grand duchy is primarily European in origin, with many such entities existing within
The distinction between a grand duchy and a kingdom often lies in historical development and tradition rather