Duchy of Castro (in personal union with Parma) Prince-Bishopric of Brixen Prince-Bishopric of Trent Principality of Piombino Principality of Monaco Marquisate of Montferrat (raised to Duchy of Montferrat in 1574; in personal union with Mantua) Marquisate of Masserano (raised to Principality of Masserano in 1598) Marquisate of Sabbioneta (raised to Duchy of Sabbioneta in 1577) Marquisate of Finale Marquisate of Massa (raised to Principality of Massa in 1568) Marquisate of Carrara (in personal union with Massa) Marquisate of Castiglione (raised to Principality of Castiglione in 1609) Marquisate of Torriglia Marquisate of Fosdinovo Marquisate of Bastia County of Guastalla County of Mirandola County of Montechiarugolo County of Correggio (raised to Principality of Correggio in 1616) County of Novellara County of Pitigliano County of Tende County of Santa Fiora Republic of Ancona Republic of Lucca Republic of Ragusa Republic of San Marino Republic of Noli Republic of Senarica Republic of Cospaia Hospitaller Malta After the Wars of Succession of the 18th century Following the European wars of succession of the 18th century and the extinction of the House of Medici, the Grand Duchy of Tuscany was ruled by the Habsburg-Lorraine. Some minor states in Central and Northern Italy, such as Parma and Mantua, passed to the Austrian monarchy. Southern Italy passed to a cadet branch of the House of Bourbon, known as House of Bourbon-Two Sicilies. While other states such as Genoa, Savoy, Modena and Lucca remained with their governments unchanged. Major States Papal States Republic of Venice Kingdom of Naples (under the Austrian monarchy from 1714 to 1734; in personal union with Sicily under the Bourbon-Two Sicilies thereafter) Grand Duchy of Tuscany (under Habsburg-Lorraine after 1737) Duchy of Savoy Republic of Genoa Duchy of Milan (under Habsburg Monarchy) Minor states Kingdom of Sardinia (under Austrian monarchy from 1714 to 1720; in personal union with Savoy thereafter) Kingdom of Sicily (under Savoy from 1714 to 1720; under Austrian monarchy from 1720 to 1734; in personal union with Naples under the Bourbon-Two Sicilies thereafter) Duchy of Mantua (under Austrian Monarchy) Duchy of Parma and Piacenza (under Habsburg Monarchy from 1734 to 1748) Duchy of Guastalla (in personal union with Parma from 1748) Duchy of Modena and Reggio Duchy of Massa and Carrara (in personal union with Modena from 1731) Duchy of Mirandola (in personal union with Modena from 1710) Prince-Bishopric of Brixen Prince-Bishopric of Trent Principality of Masserano Principality of Torriglia Principality of