[1] It encompassed the north-western half of the former Russian-ruled Congress Poland.

[1] Although the territory initially formed a part of the Ober Ost military command under the authority of general Erich Ludendorff, after the military advances of the Central Powers in the fall offensive of 1915 the territory came under a separate administration in October.

[1] It continued to exist even after the later establishment of a rump Kingdom of Poland, a Central Powers puppet state.

Its governor-general, Hans Hartwig von Beseler, held his office for the entire duration of the region's existence.

for both districts of the former Congress Poland, with a German civil-servant, Wolfgang von Kries [de], appointed as the first chief of the intended administration.