Caltabellotta (Sicilian: Cataviḍḍotta) is a municipality (comune) in the province of Agrigento, in the autonomous island region of Sicily in Italy, located about 60 kilometres (37 mi) south of Palermo and about 45 kilometres (28 mi) northwest of Agrigento.
As of 2025, with a population of 3,094, the municipality is the 235th-largest in Sicily. In addition to the main portion of Caltabellotta, it also contains the frazione of Sant'Anna.
The Peace of Caltabellotta, signed on 31 August 1302, was the last of a series of treaties, including those of Tarascon and Anagni, designed to end the War of the Sicilian Vespers between the Houses of Anjou and Barcelona for ascendancy in the Mediterranean and especially Sicily and the Mezzogiorno.
The peace divided the old Kingdom of Sicily into an island portion and a peninsular portion. The island, called the Kingdom of Trinacria, went to Frederick III, who had been ruling it; the Mezzogiorno, called the Kingdom of Sicily contemporaneously but the Kingdom of Naples by modern scholarship, went to Charles II, who had been ruling it. Thus, the peace was formal recognition of an uneasy status quo.
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