North Rhine-Westphalia (German: nordrhein-westfalen, usually shortened to: NRW) is - in terms of population and economic output - the largest and westernmost Federal State of Germany. Nordrhein-Westfalen has over 18 million inhabitants, contributes about 22% of Germany's gross domestic product and comprises a land area of 34,083 km² (13,158 square miles). Nordrhein-Westfalen is situated in the Western part of Germany and shares borders with Belgium and the Netherlands. It has borders with the German states of Lower Saxony to the North and Northeast, Rhineland-Palatinate to the Southwest and Hessen to the Southeast. The capital city is Düsseldorf, other major cities (Oberzentren) are Cologne, Essen, Dortmund, Duisburg, Oberhausen, Bielefeld, Bonn, Bochum, Münster and Wuppertal.