A series of defined levels of containment of planar physical space where child levels are contained entirely within parent levels. Most Spatial Hierarchies include the following levels:
- Country
- City
- Campus
- Building
- Floor
- Space
Other interstitial levels may be added depending on specific needs, including:
- Region – a collection of countries representing either recognized geopolitical groupings, continents organizational structures
- Country Subentity – the decomposition of a country into parts, including US States, UK Countries, Swiss Cantons etc. The United Nations define a standard set of global Country Subentities
- UN Location Code – a business district defined by the United Nations