The current spelling of "Gorzów" appears on the map featuring "Królestwo Polskie" published in Lviv in 1900 with "Landsberg an der Warthe" in parenthesis next to "Gorzów".
The German name Landsberg an der Warthe derives from the German words land or 'state' and berg or 'mountain' combined with Warthethe German name for the river Warta.