Federal state: North Rhine-Westphalia
Administrative district: Düsseldorf Area: 232.82 sq. m
Inhabitants: 498,466 (31.12.2006; Germany's 15th largest city)
Population density: 2,141 inhabitants/sq. km
Height: 31 m above sea level
Geographical position: 51° 27' north, 6° 45' east

Duisburg is situated on the confluence of the Ruhr and Rhine. The city extends across both banks of the two rivers.

The city is divided into 7 districts, sub-divided into 46 suburbs as follows:

Walsum: Vierlinden, Overbruch, Alt-Walsum, Aldenrade, Wehofen, Fahrn

Hamborn: Röttgersbach, Marxloh, Obermarxloh, Neumühl, Alt-Hamborn

Homberg-Ruhrort-Baerl: Ruhrort, Alt-Homberg, Hochheide, Baerl
Meiderich-Beeck: Bruckhausen, Beeck, Beeckerwerth, Laar, Untermeiderich, Mittelmeiderich, Obermeiderich

Rheinhausen: Rheinhausen-Mitte, Hochemmerich, Bergheim, Friemersheim, Rumeln-Kaldenhausen

Mitte: Altstadt, Neuenkamp, Kaßlerfeld, Duissern, Neudorf-Nord, Neudorf-Süd, Dellviertel, Hochfeld, Wanheimerort

Süd: Bissingheim, Wedau, Buchholz, Wanheim-Angerhausen, Großenbaum, Rahm, Huckingen, Hüttenheim, Ungelsheim, Mündelheim, Serm

Shortly before neighbouring towns were first incorporated in 1905, the city's population was already over 100,000. After a series of further incorporations, the city now has some 498,000 inhabitants, and ranks 15th among Germany's major cities.

Age structure (31.12.2006):
0-17: 17.6 %
18-65: 61.2 %
65 and over: 21.2 %

Percentage of foreigners: 15.1 % (31.12.2006)

Portsmouth (United Kingdom), since 1950
Calais (France), since 1964
Lomé (Togo), since 1973
Wuhan (People's Republic of China), since 1982
Vilnius (Lithuania), since 1985
Gaziantep (Turkey), since 2005