The redrawing of boundaries in 1945-in particular the relocation of the German-Polish border to the present Oder-Neisse line-divided the town .
The redrawing of boundaries in 1945 - in particular the relocation of the German-Polish border to the Oder-Neisse line - divided the town , the right bank becoming part of Poland , and named Zgorzelec in 1948 , while the main portion became part of the German state of Saxony .