Bydgoszcz District
Bydgoszcz District was the more northern of two administrative districts of the Grand Duchy of Poznań .
It underwent several changes during World War II.
Administrative division (in 1897)
Bydgoszcz District, Bydgoszcz''''
Bydgoszcz District was the more northern of two administrative districts of the Grand Duchy of Poznań .
It underwent several changes during World War II.
''''