The Ober Ost was divided into three Verwaltungsgebiete (administrative territories): Courland, Lithuania, and Bialystok-Grodno.
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The area was divided into the Courland District, the Lithuania District and the Bialystok-Grodno District, each overseen by a district commander.
Ober-Olm | Ober Kostenz | Ober Gabelhorn | Ober-Ramstadt | Ober Ost | Ober Da Bakod | Ken Ober |
In the chaotic period at the end of the First World War on the Eastern Front, the Polish I Corps fought against the Bolshevik Red Army, cooperated with the German Ober Ost forces in taking Minsk, and after acknowledging the Regency Council in May 1918, it surrendered to the German forces in Babruysk.
After sporadic fighting in late January, on January 31 Dowbor-Muśnicki's Corps had to retreat to Bobruisk and Slutsk, where he was surrounded by German Ober-Ost forces.