Individual #Plovdiv__Philippopolis  an ancient city in southern Bulgaria; commercial center of an agricultural region
  instance of:  #city
  part of:  #Bulgaria__Republic_of_Bulgaria  a republic in the eastern part of the Balkan Peninsula in southeastern Europe
     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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