| Rank | Biggest Cities in Poland | Metro Population |
|---|---|---|
| 1 | Warsaw | 3,105,883 |
| 2 | Katowice (Kattowitz)-Silesian Metropolis | 2,710,397 |
| 3 | Krakow | 1,725,894 |
| 4 | Lodz | 1,428,600 |
| 5 | Poznan (Posen) | 1,400,000 |
| 6 | Wroclaw (Breslau or Vratislav) | 1,164,600 |
| 7 | Gdansk (Danzig) | 1,080,700 |
| 8 | Szczecin (Stettin) | 777,000 |
| 9 | Lublin | 664,000 |
| 10 | Bydgoszcz (Bromberg) | 470,285 |