Duchy of Urbino
Vassal of Papal States
The Duchy of Urbino (Italian: Ducato di Urbino) was an independent duchy in early modern central Italy, corresponding to the northern half of the modern region of Marche. It was directly annexed by the Papal States in 1631. It was bordered by the Adriatic Sea in the east, the Republic of Florence in the west and the Papal States in the south.
From Wikipedia, under CC BY-SA. More on occurri.