Krajna - a historical land in Poland, inhabited by Slavic tribes, previously belonging to the circle of the Germanic Wielbark and Przeworsk cultures, and even earlier in the circle of the Lusatian culture, initially part of Pomerania, in the second half of the In the 10th century, it was attached to the Polan state, then lost and regained in the first half of the 19th century. 12th century, later attached to the state of the Teutonic Order, from 1314 it belonged to the Kalisz voivodeship and hence is often considered a part of Greater Poland; during the Prussian partition, part of the then Prussian province of West Prussia; in the interwar period, the eastern part of Krajna, which was part of the Polish state, was part of the Pomeranian Voivodeship - the northern part (from 1938 as a whole) and the Poznań Voivodeship - the southern part; the western part of Krajna, which remained within the borders of Germany, administratively belonged to the Border Mark of Poznań-West Prussia, and from 1938 to the Pomeranian Province; Currently, it belongs to the following provinces: Kujawsko-Pomorskie (Kamień Krajeński, Sępólno Krajeńskie, Więcbork, Mrocza, Nakło nad Notecią), Pomeranian and Greater Poland (Złotów, Krajenka, Wysoka, Wyrzysk, Łobżenica). The name of Krajna comes from the historical location of this region on the outskirts of the Polan state