West PrussiaWest Prussia
former province of Prussia, since 1945 part of Poland: chief city, Gdansk
A historical region of central Europe between Pomerania and East Prussia. Long inhabited by both Slavic and Germanic peoples, West Prussia was part of the German Empire from 1871 to 1919. Most of the territory was awarded to Poland in 1919 but reannexed by Germany in 1939. In 1945 West Prussia again became part of Poland.