Margrave of Istria

The Margrave of Istria was a noble title from medieval and early modern Europe, specifically linked to the region of Istria—a peninsula in the Adriatic Sea. A margrave was a military governor responsible for defending border territories of the Holy Roman Empire, overseeing both military and administrative duties. The Margrave of Istria held authority over this strategic region, managing its defense, political affairs, and its relations within the empire. The title reflects both military importance and noble status, highlighting Istria's significance as a frontier zone during its time.