Below mentioned Dissertation depicts one of the most complex issues of polish/german questions of post war history: German nation eviction from the territory handed over to Polish administration as a result of Potsdam pact. This issue applies to the area of present-day Paslek district (former Kreis Preußisch Holland) situated in western part of the previously known Eastern Prussia (now Warmia and Mazury region).Time range indicate on one hand permission of district evacuation (21 Jan 1945) an well as going control of Preußisch Holland by the Red Army (23 Jan 1945) which are perceived as a great exodus of the natives from Eastern Prussia and which mark sort of prelude to the later demographic changes. Year 1947 conveys termination of the regular transportation from Paslek region and almost entire 'polonizing' of the area; later migrations of the german population known as the 'operation link' had been generalized as they did not have influence on the demographic image of Paslek. The main purpose of dissertation was analytical presentation of German' exile, this Problem however was registered in the chronologically parallel events which are being omitted in corresponding monographic issues. Chapter 3 analyses the Red Army involvement in political and demographic formation of people interaction within the province as well as onset of Polish administration in gradual introduction of the new system of power. Chapter 4 focuses an organizing and the german nation situation before the exile. More detailed description can be found in this section of the problem concerning the mandatory work of the German along with the rapport (very often fair and even genuinely positive) whit the expatriates from previous Polish eastern territory. Chapter 5 deals whit the problem known as national verification which aim was segregation of german nation from Warmia and Mazury regional natives ' the intention which at least in Paslek district was historically unreasonable. The last Chapter of dissertation tackles the analysis of difficult ...