The Count of Foix was a title held by the rulers of the historical region of Foix in southwestern France. This title emerged in the 10th century and was associated with a powerful noble family that played a significant role in the politics of the region. The Counts were known for their military prowess and their involvement in the Albigensian Crusade against the Cathar heretics. The most famous Count of Foix was Gaston Fébus, who ruled in the 14th century. He was known for his courtly culture, military campaigns, and the construction of the impressive Château de Foix. The title eventually became part of the Duchy of Navarre and faded in prominence as the political landscape of France changed.