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) Americas (Region) North America (Country) United States (1776-present) (Region) South (United States) (Division) South Atlantic (United States) 1.1 (State) Delaware (United States) 1.2.1 (State) Maryland (United States) 1.2.2 (District) District of Columbia (United States) 1.3 (State) West Virginia (United States) 1.4 (State) Virginia (United States) 2 (State) North Carolina (United States) 3 (State) South Carolina (United States) 4 (State) Georgia (United States) 5 (State) Florida (United States)