Giudicato of Arborea

State · 866–1421 CE · at its largest around 1375 CE

The longest-lived of the four Sardinian judicates, based at Oristano. Under Eleanor of Arborea it issued the Carta de Logu law code; it was sold to Aragon in 1420.

On its lands while it lasted

• Olbia (c. 866 CE): Capital of Giudicato of Gallura (866–1209).
• Porto Torres (c. 866 CE): Capital of Giudicato of Logudoro (866–1259).
• Cagliari (c. 1000 CE): Capital of Giudicato of Cagliari (1000–1187).

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