Kingdom of Sardinia and Aosta, dynastic possessions since the 11th century, the Principality of Piedmont (a possession built up in the 13th century), and the County of Nice (a possession since 1388). While in theory the traditional capital of the island of Sardinia and seat of its viceroys was Cagliari, the Piedmontese city of Turin was the "de facto" capital of Savoy. When the mainland domains of the House of Savoy were occupied and eventually annexed by Napoleonic France, the king of Sardinia made his permanent residence on the island for the first time in its history. The Congress of Vienna (1814–15), which
Sardinia Geomineral Park, preserved by UNESCO. Northern Sardinian Coasts are included in the Pelagos Sanctuary for Mediterranean Marine Mammals, a Marine Protected Area, that covers a surface of about , aimed at the protection of marine mammals. Notes Bibliography Sardinia Sardinia ( ; ; or ; ; ; ; ) is the second-largest island in the Mediterranean Sea (after Sicily and before Cyprus). It is located west of the Italian Peninsula and to the immediate south of the French island of Corsica. Sardinia is politically a region of Italy, whose official name is "Regione Autonoma della Sardegna" / "Regione Autònoma de