Bromberg district
The northern of two administrative districts (German: Regierungsbezirk , Polish: Rejencja Bydgoska) of Grand Duchy of Poznan (1815-1848) / Province of Posen (1849-1918). The administrative center was in the city of Bromberg (Polish, Bydgoszcz.Bordered on the south by the Posen district, to the west by Brandenburg, to the north by West Prussia (German: WestpreuÃÂÃÂen) and to the east by Congress Poland (in borders of Russia).
Bromberg district had a larger percentage of German settlers, and was therefore more Protestant, then avarage for Province of Posen. However, the majority of population were Poles and Catholics. Initially, there were sizeable Jewish minority, that number diminish over years due to Ostflucht.

| Kreis ("County") | Polish spelling | 1905 Pop | Polish | German | Jewish | Origin |
| Bromberg | Bydgoszcz | 16% | ||||
| Bromberg | Bydgoszcz | 38% | ||||
| Czarnikau | Czarniko~w | 27% | ||||
| Filehne | Wielen~ | 28% | ||||
| Gnesen | Gniezno | 67% | ||||
| Hohensalza | Inowrocl~aw | 7% | ||||
| Kolmar | Chodziez~ | 18% | ||||
| Mogilno | Mogilno | 76% | ||||
| Schubin | Szubin | 56% | ||||
| Strelno | Strzelno | 82% | ||||
| Wirsitz | Wyrzysk | 47% | ||||
| Witkowo | Witkowo | 83% | ||||
| Wongrowitz | Wa~growiec | 77% | ||||
| Znin | Znin | 77% |