The Duke of Saxe-Hildburghausen was a title held by the rulers of the small German principality of Saxe-Hildburghausen. This duchy existed from the early 18th century until the early 19th century, when it was absorbed into the larger state of Saxe-Meiningen. The dukes were part of the House of Wettin, a prominent dynasty in German history. The most notable duke was Ernst I, who ruled from 1745 to 1772. Under his leadership, Saxe-Hildburghausen experienced cultural development and economic growth. The duchy was known for its picturesque landscapes and small towns, contributing to the rich tapestry of German heritage during that era.