Individual #Silesia__Slask__Slezsko__Schlesien  a region of central Europe rich in deposits of coal and iron ore; annexed by Prussia in 1742 but now largely in Poland
  instance of:  geographical_area
  part of:  Europe  the 2nd smallest continent (actually a vast peninsula of Eurasia); the British use `Europe' to refer to all of the continent except the British Isles
     part of:  Eurasia  the land mass formed by the continents of Europe and Asia
        part of:  eastern_hemisphere__easternhemisphere__orient  the hemisphere that includes Eurasia and Africa and Australia
        part of:  northern_hemisphere  the hemisphere north of the equator

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