Allenstein (region)

  • Regierungsbezirk Königsberg
  • Region of Gumbinnen
  • Region of Olsztyn
  • Regierungsbezirk Königsberg
  • Region of Gumbinnen

The county Olsztyn was from 1905 to 1945, a government district of the Prussian province of East Prussia. Its territory is now the Polish Warmian-Masurian Voivodeship.


The county Olsztyn was established in 1905 as the third of East Prussian government district. The aim was, among other things, the cultural and economic promotion of Masuria. It was formed from parts of the existing government districts Gumbinnen and Königsberg and comprised mainly Masuria, southern Warmia and East Prussian Oberland. 1905 had the government district covers an area of ​​11,711 km ². The seat of the provincial government was located in Olsztyn.

After the end of World War II, the government district of Olsztyn was established in accordance with the provisions of the Treaty of Versailles a part of the circle Neidenburg, the Soldau area so-called ceded to Poland. After the referendum of July 11, 1920 also the border towns Groschlen, Small Nappern and small Lobenstein were transferred from the district of Osterode in Poland. The area of the administrative region decreased by these territorial losses to 11,520 km ².

After the Second World War the area of the district of Olsztyn was placed under Polish administration. The German population was then largely marketed on the basis of the so-called Bierut Decrees.

Development of the population

Administrative structure

Urban districts

  • Olsztyn ( since 1910 cycle-free )


  • Olsztyn
  • Neidenburg
  • Ortelsburg
  • Osterode
  • Rößel (all to 1905 Regierungsbezirk Königsberg )
  • Johannesburg
  • Lötzen
  • Lyck
  • Sensburg (all to 1905 government district Gumbinnen )

Government President (Reg.- Bez. Olsztyn )