| Greater Poland (Wielkopolskie) | 3,484,975 inhabitants | 29,826 km² |
| Holy Cross (Świętokrzyskie) | 1,249,710 inhabitants | 11,711 km² |
| Kuyavian-Pomeranian (Kujawsko-Pomorskie) | 2,082,935 inhabitants | 17,972 km² |
| Lesser Poland (Małopolskie) | 3,386,162 inhabitants | 15,183 km² |
| Lower Silesian (Dolnośląskie) | 2,902,365 inhabitants | 19,948 km² |
| Lublin (Lubelskie) | 2,129,260 inhabitants | 25,122 km² |
| Lubusz (Lubuskie) | 1,016,652 inhabitants | 13,988 km² |
| Masovian (Mazowieckie) | 5,372,579 inhabitants | 35,558 km² |
| Opole (Opolskie) | 991,161 inhabitants | 9,412 km² |
| Podlaskie | 1,185,174 inhabitants | 20,187 km² |
| Pomeranian (Pomorskie) | 2,319,735 inhabitants | 18,310 km² |
| Silesian (Śląskie) | 4,552,627 inhabitants | 12,333 km² |
| Subcarpathian (Podkarpackie) | 2,127,687 inhabitants | 17,846 km² |
| Warmian-Masurian (Warmińsko-Mazurskie) | 1,434,783 inhabitants | 24,173 km² |
| West Pomeranian (Zachodniopomorskie) | 1,706,579 inhabitants | 22,892 km² |
| Łódź (Łódzkie) | 2,479,962 inhabitants | 18,219 km² |
