Poland: Military Occupation: 1915-1918
The territories that had formed part of the Russian Empire were occupied by the armed forces of Germany and Austria-Hungary and divided into two administrative units, with centers in Warsaw and Lublin (originally in Kielce).
| Occupation administration in Warsaw (Germany): | |
| Generalgouverneur :: Generał-gubernator | |
| 4 Sep 1915 - 12 Nov 1918 | Hans Hartwig von Beseler |
| Occupation administration in Lublin (Austria-Hungary): | |
| Militärgeneralgouverneur :: Wojskowy Generał-gubernator | |
| 15 Sep 1915 - 23 Apr 1916 | Erich Heinrich Friedrich Wilderich Freiherr von Diller |
| 9 May 1916 - 27 Apr 1917 | Karl Wilhelm Eligius von Kuk |
| 27 Apr 1917 - Feb 1918 | Stanisław Maria Jan Teofil Graf von und zu Szeptyce-Szeptycki |
| Feb 1918 - 3 Nov 1918 | Anton Lipošćak |