In the same year, the population of the other Polish areas also reached its pre-war level (23,930,100 in 1970 vs 23,483,000 in 1939).

In the Polish areas of the empire, the Bund was a leading force in the 1905 revolution.

Prussia was mostly German, but in the late 18th century the new Polish areas had a lot of Polish people too.

In 1918, these Polish areas returned to Poland.

For much of the period, the city was divided into Polish and Soviet areas, with the latter closed to the public.

The remaining Germans were to be expelled from the now Polish areas of Pomerania.

A delegate for the Polish areas annexed by the Soviet Union was never appointed.

Inside Darżlubie Forest there are two nature reserves (Polish protected areas).

Poles, mainly from Polish areas annexed by the Soviet Union started to settle in the area.