The Kingdom of Sicily was a state that existed in Sicily and the south of the Italian Peninsula plus, for a time, in Northern Africa from its founding by Roger II of Sicily in 1130 until 1816. It was a successor state of the County of Sicily, which had been founded in 1071 during the Norman conquest of the southern peninsula. The island was divided into three regions: Val di Mazara, Val Demone and Val di Noto.

Sicilian is a Romance language that is spoken on the island of Sicily and its satellite islands. It belongs to the broader Extreme Southern Italian language group.