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
  part of:  Europe
  member of:  NATO__North_Atlantic_Treaty_Organization  an international organization created in 1949 by the North Atlantic Treaty for purposes of collective security

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