The Duke of Württemberg was a title held by the rulers of the historical region of Württemberg in southwestern Germany. This title emerged in the Middle Ages and was associated with a powerful noble family that played a significant role in the politics and culture of the region. The dukes governed until the early 19th century when the title was elevated to that of a king. The House of Württemberg was influential in various European alliances and conflicts. The last duke, Duke Eugen, ruled until the dissolution of the monarchy in Germany after World War I. Today, the legacy of the dukes is preserved in the region's architecture, traditions, and historical sites.