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
Arbus, Sardinia Arbus, Sardinia Arbus is a "comune" (municipality) in the Province of South Sardinia in the Italian region of Sardinia. Located in the southwest coast of the island, Arbus is known for its coastline, the Costa Verde, and for several archeological sites, such as the mines of Montevecchio. With an area of , Arbus is the second largest municipality in Sardinia. Arbus has been inhabited by man since the ancient Neolithic. It includes a mountain district which separates Medio Campidano from the sea. There are numerous "tombe dei giganti" (Giant graves) in the district of Capo Pecora, and in other areas