Prussia (region), a historical region on the Baltic that gave its name to the later Kingdom of Prussia
Teutonic State, founded in that region by the Teutonic Order
Prussian Confederation, an alliance of German Hanseatic cities in Prussia who rebelled against the Teutonic Knights
Royal Prussia, a province of the Polish Crown, created by the separation of Prussia into two parts in 1466
Duchy of Prussia, a duchy established in the eastern part of Prussia in 1525
Brandenburg-Prussia, a state created by the personal union of the Duchy of Prussia and the Margraviate of Brandenburg
From the 18th century
Prussia, a state (1701?1871) originating in Brandenburg-Prussia
Kingdom of Prussia, a kingdom established in Brandenburg-Prussia (1701?1918)
Province of Prussia, a province of the Kingdom of Prussia (1829?1878), created by a union of the Provinces of East and West Prussia
Free State of Prussia, a state of Germany (1918?1945) after the abolition of the Kingdom of Prussia
East and West Prussia
East Prussia, the eastern part of the region of Prussia
Province of West Prussia, a province of the Kingdom of Prussia, annexed from Poland in 1772 (former Royal Prussia), re-established 1878
Province of East Prussia, a province of the Kingdom of Prussia, created from former Ducal Prussia and Warmia in 1773, re-established 1878; an exclave of Germany after World War I
Posen-West Prussia, a province of the Free State of Prussia (1922?1938) (the western parts of former West Prussia that were retained by Germany)
Regierungsbezirk West Prussia, administrative region of the Province of East Prussia (1920?1938) (the eastern parts of former West Prussia that were retained by Germany)
People and languages
Old Prussians, Baltic tribes formerly inhabiting the region of Prussia