| Region | Region - Modern Greek | Region Greek | ISO 3166-2 Code | Seat | Area [km2] | Subdivision category | Population (1 of January 2002) | Population (1 of January 2003) | Population (1 of January 2004) | Population (1 of January 2005) | Population (1 of January 2006) | Population (1 of January 2007) | Population (1 of January 2008) | Population (1 of January 2009) | Population (1 of January 2010) | Population (1 of January 2011) | Population (1 of January 2012) | Population (1 of January 2013) | Population (1 of January 2014) | Population (1 of January 2015) | Population (1 of January 2016) | Population (1 of January 2017) | Population (1 of January 2018) | Population (1 of January 2019) | Population (1 of January 2020) | Population (1 of January 2021) | Population (1 of January 2022) | Population (1 of January 2023) | column29 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Attica | Attikí | Αττική | GR-I | Athens | 3808 | administrative region | 3894259 | 3916875 | 3935254 | 3952793 | 3971441 | 3982602 | 3990727 | 3999457 | 4002871 | 3992912 | 3963887 | 3912849 | 3863763 | 3822843 | 3781274 | 3773559 | 3756453 | 3742235 | 3738901 | 3736737 | 3807698 | 3790842 | |
| Central Greece | Stereá Elláda | Στερεά Ελλάδα | GR-H | Lamia | 15549 | administrative region | 562848 | 559105 | 556835 | 555282 | 554659 | 555149 | 555577 | 557291 | 559655 | 561693 | 561670 | 560093 | 559214 | 557753 | 555830 | 555761 | 555623 | 555960 | 556002 | 553235 | 506991 | 504167 | |
| Central Macedonia | Kentrikí Makedonía | Κεντρική Μακεδονία | GR-B | Thessaloniki | 18811 | administrative region | 1852039 | 1862475 | 1871566 | 1880517 | 1890244 | 1899242 | 1905904 | 1913980 | 1921906 | 1925437 | 1922590 | 1912624 | 1903360 | 1893878 | 1883339 | 1880122 | 1875996 | 1873777 | 1872102 | 1858755 | 1791320 | 1782630 | |
| Crete | Kríti | Κρήτη | GR-M | Heraklion | 8336 | administrative region | 589844 | 593143 | 596426 | 600490 | 604682 | 608988 | 613144 | 618317 | 623113 | 627144 | 629367 | 630085 | 630889 | 631513 | 631812 | 632674 | 633506 | 634930 | 636504 | 636766 | 623900 | 622909 | |
| Eastern Macedonia and Thrace | Anatolikí Makedonía kai Thráki | Ανατολική Μακεδονία και Θράκη | GR-A | Komotini | 14157 | administrative region | 589489 | 592085 | 594512 | 597258 | 600034 | 602965 | 605411 | 608639 | 610112 | 611573 | 612074 | 610102 | 608214 | 606490 | 604504 | 602799 | 601175 | 599723 | 598613 | 594905 | 560787 | 559730 | |
| Epirus | Ípeiros | Ήπειρος | GR-D | Ioannina | 9203 | administrative region | 342332 | 342169 | 342123 | 342454 | 342916 | 343786 | 344410 | 345167 | 345960 | 346503 | 345437 | 343128 | 341046 | 339142 | 336834 | 335250 | 334337 | 333696 | 333265 | 330985 | 319214 | 318890 | |
| Ionian Islands | Ionía Nísia | Ιόνια Νησιά | GR-F | Corfu | 2307 | administrative region | 208075 | 207415 | 206877 | 206688 | 206703 | 207149 | 207508 | 208161 | 208675 | 209221 | 209131 | 208241 | 207664 | 207059 | 206141 | 205431 | 204562 | 203869 | 203149 | 202371 | 204166 | 202185 | |
| North Aegean | Vóreio Aigaío | Βόρειο Αιγαίο | GR-K | Mytilene | 3836 | administrative region | 199375 | 199375 | 199160 | 199177 | 199187 | 198191 | 198675 | 199517 | 200179 | 200831 | 200591 | 199478 | 198581 | 197695 | 196654 | 203700 | 211137 | 221098 | 229516 | 229155 | 194597 | 195509 | |
| Peloponnese | Pelopónnisos | Πελοπόννησος | GR-J | Tripoli | 15490 | administrative region | 594637 | 590925 | 588214 | 586250 | 585107 | 585499 | 585892 | 587170 | 588471 | 589602 | 589044 | 586863 | 585155 | 583431 | 581026 | 579182 | 576749 | 574447 | 572151 | 569345 | 538218 | 534345 | |
| South Aegean | Nótio Aigaío | Νότιο Αιγαίο | GR-L | Ermoupoli | 5286 | administrative region | 315878 | 317315 | 318813 | 321798 | 324712 | 327471 | 329525 | 331815 | 332652 | 333983 | 334780 | 334652 | 334802 | 334865 | 334791 | 338383 | 340870 | 344027 | 347512 | 347848 | 327647 | 326945 | |
| Thessaly | Thessalía | Θεσσαλία | GR-E | Larissa | 14037 | administrative region | 745339 | 743648 | 742574 | 741599 | 741765 | 743210 | 743919 | 745569 | 746976 | 747690 | 745839 | 741593 | 737686 | 733663 | 729442 | 725874 | 722065 | 718640 | 715115 | 709808 | 686450 | 682189 | |
| Western Greece | Dytikí Elláda | Δυτική Ελλάδα | GR-G | Patras | 11350 | administrative region | 706346 | 703115 | 700215 | 697975 | 696051 | 694901 | 693549 | 692990 | 692269 | 690904 | 687935 | 682583 | 677727 | 673263 | 668258 | 663970 | 659470 | 655189 | 651065 | 646670 | 646764 | 643188 | |
| Western Macedonia | Dytikí Makedonía | Δυτική Μακεδονία | GR-C | Kozani | 9451 | administrative region | 287813 | 288125 | 287800 | 287631 | 287215 | 286855 | 286696 | 286672 | 286450 | 285899 | 284061 | 281324 | 278706 | 276423 | 273843 | 271488 | 269222 | 267008 | 264670 | 262052 | 253875 | 250453 |