Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Astra Plinius - celestial bodies
         Universe
           (Supercluster) Virgo-Hydra-Centaurus Supercluster
             (Supercluster) Virgo Supercluster
               (Cluster) Local Group
                 (Galaxy) Milky Way Galaxy veter.
                   (Spiral arm) Orion Arm
                     (Region) Local Bubble
                       Local Interstellar Cloud
                         (Planetary system) Solar System
                           (Planet-satellite system) Earth System
                             (Planet) Earth veter.
                               "spheres" (Earth)
                                 (Sphere) Biosphere (Earth) - zone of life
                                   "geopolitical regions"
                                     (Region) World
                                       (Region) Old World
                                         (Region) Eurasia
                                           (Region) Europe
                                             (Region) Southern Europe
                                               (Country) Italy (1861-present)
                                                 1.01.1 (Autonomous region) Valle d'Aosta (Italy) - Aosta Valley
                                                 1.01.2 (Region) Piemonte (Italy) - Piedmont
                                                 1.01.3 (Region) Liguria (Italy)
                                                 1.02 (Region) Lombardia (Italy)
                                                 1.03 (Autonomous region) Trentino-Alto Adige (Italy) - Trentino-South Tyrol
                                                 1.04.1 (Region) Veneto (Italy) - Venetia
                                                 1.04.2 (Autonomous region) Friuli-Venezia Giulia (Italy)
                                                 1.05 (Region) Emilia-Romagna (Italy)
                                                 1.06 (Region) Toscana (Italy) - Tuscany
                                                 1.07 (Region) Umbria (Italy)
                                                 1.08 (Region) Marche (Italy)
                                                 1.09 (Region) Abruzzo (Italy)
                                                 1.10 (Region) Lazioᵀ (Italy)
                                                 1.11 (Region) Molise (Italy)
                                                 1.12 (Region) Campania (Italy)
                                                 1.13 (Region) Puglia (Italy) - Apulia
                                                 1.14 (Region) Basilicata (Italy)
                                                 1.15 (Region) Calabria (Italy)
                                                 2 (Autonomous region) Sicilia (Italy) - Sicily
                                                 3 (Autonomous region) Sardegna (Italy) - Sardinia