- Prussia, Preussen - a former kingdom in north-central Europe including present-day northern Germany and northern Poland; "in the 19th century Prussia led the economic and political unification of the German states"
--1 is a kind of geographical area, geographic area, geographical region, geographic region
--1 is a part of
--1 has parts: BrandenburgGermany, Federal Republic of Germany, Deutschland, FRG; Poland, Republic of Poland, Polska
--1 has members: Prussian