Salzgitter (German pronunciation: [zalt͡sˈɡɪtɐ]) is an independent city in southeast Lower Saxony, Germany, located between Hildesheim and Braunschweig. Together with Wolfsburg and Braunschweig, Salzgitter is one of the seven Oberzentren of Lower Saxony (roughly equivalent to a metropolitan area). With 109,142 inhabitants and 223.94 square kilometres (86.46 sq mi) (as of 30 January 2004), its area is the largest in Lower Saxony and one of the largest in Germany.