The Duke of Braganza is a title associated with the historical House of Braganza, which was a royal family in Portugal. The title is currently held by Dom Duarte Pio, who is considered the head of the Portuguese royal family. The Braganza dynasty ruled Portugal from 1640 until the monarchy was abolished in 1910. The title has significant historical importance, as the House of Braganza played a crucial role in Portuguese history, including the restoration of independence from Spain. Today, the Duke of Braganza is involved in cultural and charitable activities, promoting Portuguese heritage and traditions.