Bolognetta is a comune in the Metropolitan City of Palermo in the Italian region Sicily, located about 20 kilometres southeast of Palermo. In th…Bolognetta is a comune in the Metropolitan City of Palermo in the Italian region Sicily, located about 20 kilometres southeast of Palermo. In the 17th century Bolognetta was a fief of the Mancini family with the name of Ogliastro.