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Altolaterra, Colle San Giacomo, Gallo di Tagliacozzo, Nuovo Borgo Rurale, Oriente, Poggetello, Poggio Filippo, Roccacerro, San Donato di Tagliacozzo, Sfratati, Sorbo, Tremonti, Villa San Sebastiano Marsia
Tagliacozzo lies in an area inhabited in early historic times by the Aequi and the Marsi, although the first mentions of the town dates from the 11th century AD. Later it was a possession on the Orsini, who established a mint here. They were succeeded by the Colonna (local lords including Prospero and Marcantonio Colonna), who held the Duchy of Tagliacozzo until 1806.