LTReikšminiai žodžiai: Baltai; Baltų upėvardžiai; Hidronimai; Jotvingių kalba; Lenkija (Lenkijos karalystė. Kingdom of Poland. Poland); Lenkų kalba; Mozūrai; Prūsų kalba; Toponimas; Upėvardžių etimologija; Vandenvardžiai; Baltic river names; Balts; Hidronyms; Hydronyms; Mazurs; Old Prussian; Polish; River name etymology; Toponym; Yotvingian.
ENThere are a number of place names in northern-east Poland which do not come from the Polish language. We, the Balts, cannot understand all the names of lakes, rivers, cities, and villages as well. These names have undergone Germanization and Polonization. The author presents his ideas concerning the etymology of some place names from the northern-east Poland. [From the publication]