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Reichsgau Wartheland
Reichsgau of Nazi Germany

Flag Coat of arms
Capital Posen
 -  1939–1945 Arthur Greiser
 -  Establishment 2 November 1939
 -  German surrender 8 May 1945

Reichsgau Wartheland (initially Reichsgau Posen, sometimes called Warthegau) was a Nazi German Reichsgau formed from Polish territory annexed in 1939. It comprised the Greater Poland and adjacent areas, and only in part matched the area of the similarly named pre-Versailles Prussian province of Posen. The name was initially derived from the capital city, Posen (Poznań), and later from the main river, Warthe (Warta).

The bulk of the area had been annexed by the Kingdom of Prussia from 1793 until 1807 as South Prussia. From 1815 to 1849, the territory was within the autonomous Grand Duchy of Posen, which was the Province of Posen until Poland was reestablished in 1918–1919 following World War I.


  • Area: 43,905 km²
  • Population: 4,693,700 (1941)

The territory was inhabited by Poles and a German minority (16.7% of total population in 1921). During World War II 630,000 Poles and Jews were expelled from the territory into the occupied General Government (more than 70,000 from Poznań alone) in actions called the Kleine Planung.

Invasion and Occupation

Main article: Expulsion of Poles by Nazi Germany (1939–1944)

A series of staged German attacks near the German-Polish border provided a pretext for invasion of Polish territory in 1939.

After the invasion of Poland, the conquered territory was partitioned among four different Reichsgaue and the General Government area further east. Militärbezirk Posen was created in September 1939 and as Reichsgau Posen annexed by Germany on 8 October 1939, with SS Obergruppenfuhrer Arthur Greiser as the only Gauleiter. The name Reichsgau Wartheland was introduced on 29 January 1940.

The Wehrmacht established Wehrkreis XXI based at Poznań. This Wehrkreis was under the command of General der Artillerie Walter Petsel, and its primary operational unit was the XXXXVIII Panzer Korps. Poznań was responsible for the Militärische Unterregion-Hauptsitze at Poznań, Leszno, Inowrocław, Włocławek, Kalisz, and Łódź. It maintained training areas at Sieradz and Biedrusko.

In the Wartheland, the Nazis' goal was complete "Germanization", or political, cultural, social, and economic assimilation of the territory into the German Reich. In pursuit of this goal, the installed bureaucracy renamed streets and cities and seized tens of thousands of Polish enterprises, from large industrial firms to small shops, without payment to the owners.

The Germanization of the annexed lands also included an ambitious program to resettle Germans from the Baltic and other regions on farms and other homes formerly occupied by Poles and Jews.[1] By the end of 1940, the SS had expelled 325,000 Poles and Jews from the Wartheland and the Polish Corridor and transported them to the General Government, confiscating their belongings.[2] Many elderly people and children died en route or in makeshift transit camps such as those in the towns of Potulice, Smukal, and Toruń. In 1941, the Nazis expelled a further 45,000 people, and from autumn of that year they "began killing Jews by shooting and in gas vans, at first spasmodically and experimentally."[3] Greiser wrote in November 1942: "I myself do not believe that the Führer needs to be asked again in this matter, especially since at our last discussion with regard to the Jews he told me that I could proceed with these according to my own judgement."[4] By 1945 nearly half a million Volksdeutsche Germans had been resettled in the Gau.

End of war

At the beginning of 1945, Soviet forces drove the retreating Germans through the Polish lands. Caught in severe winter temperatures, most resident German citizens fled, many too late due to restrictions by their own government. An estimated 50,000 of the former German residents perished, some from flight conditions, some from the atrocities committed by conquering Soviet soldiers. The remaining German population was expelled to Germany.[5]

See also


  • (German) - List of Gaue and Gauleiter
  • (German) Deutsches Historisches Museum website.
  • (German) Die Gaue der NSDAP


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