The Palace of the Dukes of Braganza (Paço dos Duques de Bragança) is a medieval estate and former residence of the first Dukes of Braganza, located in the historical centre of Guimarães, in the north-western part of Portugal.
It was initiated between 1420 and 1422 by Afonso, Count of Barcelos, the illegitimate son of John I of Portugal (and future Duke of Bragança), after his marriage to his second wife. His prodigeny would occupy the space until the Dukes of Braganza moved to Vila Viçosa, abandoning the palace. The 16th Century marked the beginning of period of ruin, which was aggravated during the 19th century, when the local population used the palace as a personal quarry. During the Estado Novo regime, a controversial restoration restored the Palace, while implying a grandeur that may not have existed.
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Duino Castle was built by the Wallsee family in 1389 on the cliffs overlooking the Gulf of Trieste. It replaced an older castle from the 11th century. Over time, the Wallsee family disappeared and the castle, after having been used as a prison, became the residence of the Luogar and Hofer.
At the end of the 19th century it became the property of Prince Alexander von Thurn und Taxis from the Czech branch of the House of Thurn and Taxis. It remains with the family to this day with his great-grandson Prince Carlo Alessandro della Torre e Tasso, Duke of Castel Duino the current owner. The castle has been opened to the public as a museum and park.