The Judicate of Cagliari (Sardinian: Judicadu de Càralis / Càlaris, Italian: Giudicato di Cagliari) was one of the four kingdoms or judicates (iudicati, literally "judgeship") into which Sardinia was divided during the Middle Ages.
The Judicate of Cagliari occupied the entire southern portion of the island and was composed of thirteen subdivisions called curatoriae. It bordered the judicates of Arborea to the northwest and Logudoro and Gallura to the northeast.
The Judicate of Logudoro or Torres (Sardinian: Judicadu de Logudoro or Torres, Rennu de Logudoro or Logu de Torres) was one of the four kingdoms or iudicati into which Sardinia was divided during the Middle Ages. It occupied the northwest part of the island from the 11th through the 13th century, bordering the Gallura to the east, Arborea to the south, and Cagliari to the southeast. Its original capital was Porto Torres. The region is still called Logudoro today.
Logudoro was the largest and earliest of the iudicati but also the second to be subsumed by a foreign power. It was divided into twenty curatoriae, ruled by curatores.
View the full Wikipedia page for Giudicato of Torres