Posen

Posen may refer to:

==Places== ===Europe=== Poznań (German: Posen), city in Poland Grand Duchy of Posen, autonomous province of Prussia, 1815–1848 Province of Posen, Prussian province, 1848–1918 Posen (region), the south-western part of the province of Posen Posen-West Prussia, German province, 1922–1938 Reichsgau Posen, occupied in 1939, annexed and directly incorporated into the German Reich