LTReikšminiai žodžiai: Lietuvos Didžioji Kunigaikštystė (LDK; Grand Duchy of Lithuania; GDL); Lietuvos Didžioji Kunigaikštystė (LDK; Grand Duchy of Lithuania; GDL); Onomastika; Tarpukaris; Vilnius; 1920-1939; Onomastic; Vilniu; Vilnius.
ENThe subject of this paper are the language testimonies to the history and culture of the Grand Duchy of Lithuania remained in the onomastic of the city of Wilnius in the years 1918-1939. The study explains the origin and the etymology of the names fixed in the different urbonims, toponims, architektonims of this city. The paper contains a linguistic and culture analysis of the onims connected with: a) persons (Trakt Batorego <- Stefan Batory, Baszta Giedymina <- Giedymin), b) historical events (Lubelska Street <- Unia Lubelska, Pożarowa Street <- the great fires that plagued Wilnius in 1513-1530), and with other facts which testify the timeless heritage value of the former important State powers. [From the publication]