| name | type | Area (m²) | capital city | Country | continent | population (people) |
|---|---|---|---|---|---|---|
| Attica | Decentralized Administration | 3,808,100,096 | Greece | Europe | 3,828,434 | |
| Central Greece | Decentralized Administration | 15,549,309,952 | Greece | Europe | 547,390 | |
| Central Macedonia | Decentralized Administration | 18,810,519,552 | Greece | Europe | 1,880,297 | |
| Crete | Decentralized Administration | 8,336,000,000 | Greece | Europe | 623,065 | |
| East Macedonia and Thrace | Decentralized Administration | 14,157,759,488 | Greece | Europe | 608,182 |