Usor:Andrew Dalby/Italia

Compartimenta from 1861, regiones from 1948

Latium: new from 1861, adding Reate in 1923
Pedemontium: lordship and principality from 1178 under Savoy; compartimentum from 1861, but including Val d'Aosta and Liguria
Lombardia: gubernium Mediolanense from 1815, compartimentum from 1861
Ducati di Parma e Modena: from 1861 to 1871
Romandiola: formerly Exarchatus Ravennae; compartimentum from 1861 to 1871
Etruria: magnus ducatus Tusciae from 1569, compartimentum from 1861
Umbria: formerly ducatus Spoletanus and legatio Perusiae et Umbriae from 1861, losing Reate in 1923
Marchia: from 1861
Regnum Neapolitanum: from 1861 to 1871
Sicilia: from 1861
Sardinia: from 1861
Liguria: res publica Genuensis to 1797, res publica Ligurica to 1815, divisio Genuensis to 1861, from 1871
Venetia: res publica Veneta to 1797, then provincia Veneta, then gubernium Venetum from 1815, compartimentum from 1871, including Foroiuliensis
Aemilia (et Romandiola): from 1871, incorporating Romandiola, Ducato di Parma, Ducato di Modena
Aprutium et Molisium: from 1871
Molisium: from 1963
Campania: from 1871
Apulia: from 1871
Lucania (called Basilicata from 1947): from 1871
Calabria: from 1871
Venetia Tridentina (later called Venetia et Tirolis Athesina): from 1921
Venetia Iulia: from 1921 to 1947
Foroiuliensis et Venetia Iulia: from 1948
Vallis Augustana: Ducatus Augustanus earlier, Divisio and provincia from 1815, provincia only from 1847, circondario from 1861, provincia from 1927, new regio from 1948
Molisium: from 1963