Duchy of Sora
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The Duchy of Sora was a sovereign state of Italy, created in 1443 by King Alfonso V of Naples and dissolved in 1796. It occupied the south-eastern part of the current region of Lazio, bordering what is now Abruzzo, and its capital was the city of Sora.
The County of Sora had been constituted in 1399 as a fief of the Kingdom of Naples. In 1443 the count Nicola Cantelmo was named first duke of Sora by Alfonso V, its state intended to work as buffer within the territories of the Kingdom of the Two Sicilies and the Papal States.
After the Cantelmi, the duchy was ruled by the Della Rovere and the Boncompagni. Last Duke was Antonio II Boncompagni, who ceded his state to King Ferdinand I of the Two Sicilies in 1796.
