Central Powers
Not to be confused with Axis powers. Central Powers Mittelmächte (German) Központi hatalmak (Hungarian) İttifak Devletleri (Turkish) Централни сили (Bulgarian) Military alliance 1914–1918 Allied Powers (and their colonies) Central Powers (and their colonies) Neutral Powers Quadruple Alliance: Germany Austria-Hungary Ottoman Empire Bulgaria Co-belligerent states: Dervish State Transvaal Sultanate of Darfur Client states: Azerbaijan Belarus Courland and Semigallia Crim Don Finland Jabal Shammar Kuban Lithuania Northern Caucasus Poland Ukraine Georgia United Baltic Duchy Capital none ( de jure ) Berlin ( de facto ) Political structure Military alliance Historical era World War I • Dual Alliance (Germany / Austria-Hungary) 7 October 1879 • Established 28 June 1914 • Ottoman–German Alliance 2 August 1914 • Bulgaria–Germany treaty 6 September 1915 (secret) 14 October 1915 (public) • Dissolved 11 November 1918 Leaders of the ...