Giuliano di Roma is a comune in the province of Frosinone in the Italian region Lazio, located about 80 kilometres southeast of Rome and ab…Giuliano di Roma is a comune in the province of Frosinone in the Italian region Lazio, located about 80 kilometres southeast of Rome and about 12 kilometres southwest of Frosinone. Blessed Maria Caterina Troiani, a charitable activist, was born here in 1813.