Wolfsburg is the fifth largest city in the German state of Lower Saxony, located on the river Aller. It lies about 75 km (47 mi) east of Hanover and 230 km (143 mi) west of Berlin.

Lower Saxony is a German state in northwestern Germany. It is the second-largest state by land area, with 47,614 km2 (18,384 sq mi), and fourth-largest in population among the 16 Länder federated as the Federal Republic of Germany. In rural areas, Northern Low Saxon and Saterland Frisian are still spoken, albeit in declining numbers.