List of states in the Holy Roman Empire

This list of states in the Holy Roman Empire includes any territory ruled by an authority that had been granted imperial immediacy, as well as many other feudal entities such as lordships, sous-fiefs, and allodial fiefs. The Holy Roman Empire was a complex political entity that existed in central Europe for most of the medieval and early modern periods and was generally ruled by a German-speaking Emperor.

Source: Wikipedia — List of states in the Holy Roman Empire (CC BY-SA 4.0)