The House of Gorizia was a noble family that originated in the region of Gorizia, which is now part of Italy and Slovenia. This family played a significant role in the history of the Holy Roman Empire and was influential in the politics of Central Europe during the Middle Ages. They were known for their territorial expansion and held various titles, including counts and dukes. In the 14th century, the House of Gorizia merged with the House of Habsburg, further increasing their power and influence. Their legacy includes contributions to the cultural and political landscape of the region, as well as the establishment of several important cities and fortifications.