Visconti of Pisa and Sardinia Ubaldo. In 1207, Lamberto married Elena, the heiress of Barisone II of Gallura, thus securing control over the northeastern corner of Sardinia with his capital at Civita. In 1215, he and Ubaldo established their hegemony over the Giudicato of Cagliari in the south of the island as well. Through advantageous marriages, Lamberto's son, Ubaldo II, secured power in Logudoro for a time. By mid century, Pisan authority was unopposed in Sardinia, thanks to intermarriages between the Visconti family and the other great families of Pisa (Gherardeschi and Capraia) and Sardinia (Lacon and Bas-Serra). Visconti of Pisa and Sardinia The Visconti
Arbus, Sardinia a large dune system spanning approximately . Is considered one of the biggest dune systems in Europe. Main sights of Arbus include: 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