Count Floris V of Holland was a prominent nobleman who ruled from 1256 until his death in 1296. He was a member of the House of Avesnes and played a significant role in the political landscape of the Low Countries during the Middle Ages. His reign is noted for efforts to strengthen the power of the countship and improve the region's economy. Floris V is also known for his conflicts with the Duke of Brabant and the Count of Flanders. His rule ended tragically when he was captured and killed by rebellious nobles, which led to a power struggle in Holland and influenced the region's future governance.