Definitions for "Central Powers"
Alliance of Germany and Austria-Hungary during the First World War; later joined by Turkey and Bulgaria.
The enemies - Austria-Hungary, Germany and the Ottoman Empire (now Turkey).
The nations who fought together when war was declared against Serbia at the beginning of World War I: Germany, Austria-Hungary, Turkey, and Bulgaria. http://www.spartacus.schoolnet.co.uk/FWW.htm http://www.pbs.org/greatwar/index.html