The original Duchy of Saxony was the lands of the Saxon people in the north-western part of present-day Germany , namely , the modern German state of Lower Saxony as well as Westphalia and Western Saxony-Anhalt , not the modern German state of Saxony . The original Duchy of Saxony comprised lands of the Saxon people in the north-western part of present-day Germany , namely , the contemporary German state of Lower Saxony as well as Westphalia and Western Saxony-Anhalt , not corresponding to the modern German state of Saxony .