What region is not traditionally part of the Bohemian Crown?

The Lands of the Bohemian Crown were a number of incorporated states in Central Europe during the medieval and early modern periods connected by feudal relations under the Bohemian kings. The crown lands primarily consisted of the Kingdom of Bohemia, an electorate of the Holy Roman Empire since 1356, the Duchies of Silesia, and the Lusatias, as well as other territories throughout its history. An idea of a Czechoslovakian union only emerged during the Austro-Hungarian rule over Czechia and Slovakia. [Foto: King Wenceslaus I]