The House of Flanders is a historical dynasty that played a significant role in the politics and culture of medieval Europe. Originating in the region of Flanders, which is now part of modern-day Belgium, the house was influential from the 9th century onward. It produced several counts and rulers who contributed to the economic and political development of the region. The house is best known for its connections to the Burgundian Netherlands and its involvement in the Hundred Years' War. Members of the House of Flanders were key figures in the feudal system, and their legacy includes advancements in trade, art, and governance that shaped the region's history.