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
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