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Presumably, the capital system is Ifni.
| Major and minor planets featured in Isaac Asimov's Foundation series |
|---|
| Anacreon | Comporellon (Baley's World) | Earth | Gaia | Helicon | Kalgan | Neotrantor | Sayshell | Siwenna | Tazenda | Terminus | Trantor (Hame) |
|
The Fifty Spacer Worlds: |
| Aurora | Euterpe | Hesperos | Melpomenia | Nexon | Smitheus | Solaria |
| Administrative divisions of the Galactic Empire |
|---|
| Anacreon Province | Arcturus Sector | Ifni Sector | Langano Sector | Sayshell Sector | Sirius Sector | Trantor Sector | Vega Province |