These cities can be considered as centres, along with the four smaller provincial capitals of Olsztyn (Warmia and Masuria), Rzeszow (Subcarpathian), Opole (Opole Voivodship) and Gorzow Wielkopolski (Lubusz)
| Rank | City | Population | Province |
|---|---|---|---|
| 1 | Warsaw | 1 714 400 | Masovian |
| 2 | Krakow | 755 000 | Lesser Poland |
| 3 | Lodz | 742 400 | Lodz |
| 4 | Wroclaw | 632 100 | Lower Silesian |
| 5 | Poznan | 554 200 | Greater Poland |
| 6 | Gdansk | 456 600 | Pomeranian |
| 7 | Szczecin | 406 300 | Western Pomeranian |
| 8 | Bydgoszcz | 357 700 | Kuiavian-Pomeranian |
| 9 | Lublin | 349 400 | Lublin |
| 10 | Katowice | 308 500 | Silesian |
| 11 | Bialystok | 294 700 | Podlachia |
| 12 | Gdynia | 247 900 | Pomeranian |
| 13 | Czestochowa | 239 300 | Silesian |
| 14 | Radom | 223 400 | Masovian |
| 15 | Sosnowiec | 219 300 | Silesian |
| 16 | Torun | 205 700 | Kuiavian-Pomeranian |
| 17 | Kielce | 204 800 | Swietokrzyskie |