| name | type | Area (m²) | capital city | Country | continent | population (people) |
|---|---|---|---|---|---|---|
| Andalusia | Autonomous community | 87,267,999,744 | Spain | Europe | 8,424,102 | |
| Aragon | Autonomous community | 47,718,998,016 | Spain | Europe | 1,277,471 | |
| Asturias | Autonomous community | 10,604,000,256 | Spain | Europe | 1,061,756 | |
| Balearic Islands | Autonomous community | 4,992,000,000 | Spain | Europe | 1,106,049 | |
| Basque Country | Autonomous community | 7,233,999,872 | Spain | Europe | 2,166,184 |