See also: Bromberg (region). Bydgoszcz District (Polish: Rejencja Bydgoska, German Regierungsbezirk Bromberg) was the more northern of two administrative districts of the Grand Duchy of Poznań (1815-1918) (later also called the Province of Poznań (1849-1918)).
(English county name, Polish county name, county town)
(please note that at this time Polish county names were written with capital letters)