| Terra Avita – Western Europe | Atlantic–Iberian Arc | Andorra , France , Monaco , Portugal , Spain |
| North Sea–Channel Rim | Belgium , Denmark , Iceland , Ireland , Netherlands , United Kingdom |
| Central European Highlands | Austria , Austria , Germany , Hungary , Liechtenstein , Luxembourg , Switzerland |
| East European Continental Core | Belarus , Estonia , Kazakhstan , Latvia , Lithuania , Moldova , Poland , Romania , Russia , Slovakia , Ukraine |
| Fennoscandian Shield | Finland , Norway , Sweden |
| Terra Avita – Eastern Mediterranean | Italian Peninsula & Central Med Islands | Italy , San Marino , Vatican City , Malta |
| Adriatic & Western Balkan Coast | Albania , Bosnia and Herzegovina , Croatia , Kosovo , Montenegro , Serbia , Slovenia |
| Hellenic–Aegean Sphere | Bulgaria , Cyprus , Greece , North Macedonia |
| Anatolian Rim & Turkish Straits | Armenia , Azerbaijan , Georgia , Turkey |
| Levantine Coast | Israel , Jordan , Lebanon , Palestine , Syria |
| | Bahrain , Oman , Qatar , Saudi Arabia , United Arab Emirates , Yemen |
| Iraq , Kuwait |
| Iran |
| Turkmenistan |
| Terra Avita – Egypt | Nile Delta & Mediterranean Gate | Egypt |
| Lower Nile Valley (Egyptian Heartland) | Egypt |
| Nubian Nile Corridor | Sudan |
| Upper Nile & Sudd Marshes | Sudan |
| Terra Avita – Africa (beyond the Nile) | Sahara–Sahel Belt | Algeria , Burkina Faso , Cabo Verde , Chad , Libya , Mali , Mauritania , Morocco , Niger , Tunisia , Western Sahara (SADR) |
| West–Central African Belt | Angola , Benin , Cameroon , Central African Republic , Congo (Republic of the Congo) , Congo (Democratic Republic of the Congo) , Equatorial Guinea , Gabon , Gambia , Ghana , Guinea , Guinea-Bissau , Ivory Coast (Côte d’Ivoire) , Liberia , Nigeria , São Tomé and Príncipe , Senegal , Sierra Leone , Togo
|
| Horn of Africa & Ethiopian Highlands | Djibouti , Eritrea , Ethiopia , Somalia , South Sudan |
| East African Rift & Southern African Plateau | Botswana , Burundi , Comoros , Eswatini , Kenya , Lesotho , Madagascar , Malawi , Mauritius , Mozambique , Namibia , Rwanda , Seychelles , South Africa , Tanzania , Uganda , Zambia , Zimbabwe
|
| Terra Avita – India and Central Asia | Indo-Gangetic Plain | India , Bangladesh |
| Deccan & Peninsular India | India , Maldives , Sri Lanka |
| Himalayan South Face | Bhutan , Nepal |
| Trans-Oxus Central Asia (Oxiana) | Afghanistan , Kyrgyzstan , Pakistan , Tajikistan , Uzbekistan |
| Terra Avita – China (East Asia) | North China Plain & Loess Belt | China |
| South China & Yangtze Basin | China , Taiwan |
| Manchuria & the Korean Peninsula | China , North Korea , South Korea |
| Japanese Archipelago | Japan |
| Mongolia & East Siberian Steppe / Taiga | Mongolia |
| Tarim Basin & Western Desert Frontier | China |
| Terra Avita – Oceania | Sahul Core | Australia , Papua New Guinea |
| Wallacea | Timor-Leste |
| Sunda–Indochina Maritime Region | Brunei , Cambodia , Indonesia , Laos , Malaysia , Myanmar (Burma) , Philippines , Singapore , Thailand , Vietnam |
| Pacific Islands Region | New Zealand , Fiji , Solomon Islands , Vanuatu , Federated States of Micronesia , Palau , Nauru , Kiribati , Marshall Islands , Samoa , Tonga |
| Terra Avita – North America | Canadian Shield (Laurentian Shield) | Canada |
| Interior Plains & Lowlands | United States , Canada |
| Appalachian–Atlantic Highlands | United States |
| Western Cordillera | United States , Canada |
| Great Basin & Southwestern Plateaus | United States , Mexico |
| Arctic / Subarctic North | Canada , Greenland |
| Terra Avita – Central America | Mexican Highlands | Mexico |
| Yucatán–Maya Karst Platform | Mexico , Belize , Guatemala |
| Central American Isthmus | Panama , Nicaragua , Costa Rica , El Salvador , Honduras |
| Caribbean Basin & Island Arcs | Antigua and Barbuda , Bahamas , Barbados , Cuba , Dominica , Dominican Republic , Grenada , Haiti , Jamaica , Saint Kitts and Nevis , Saint Lucia , Saint Vincent and the Grenadines , Trinidad and Tobago |
| Terra Avita – South America | Andes Cordillera | Bolivia , Colombia , Ecuador , Peru , Uruguay , Venezuela |
| Amazon Basin | Brazil |
| Brazilian Highlands | Brazil , French Guiana , Guyana , Paraguay , Suriname |
| Patagonia | Argentina , Chile |
Western Europe
Eastern
