Individual #Bulgaria__Republic_of_Bulgaria  a republic in the eastern part of the Balkan Peninsula in southeastern Europe
  instance of:  Balkan_country
  part:  Plevna  Sofia  Plovdiv  Danube_River
  member:  Bulgarian.European
  member of:  NATO
  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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