Duisburg is situated in North Rhine-Westphalia at the confluence of the Rhine and its tributary Ruhr.
First recorded mention of Duisburg goes back to 883.
Area 232 sq.km.
Population 503,000 people.
Duisburg is the world’s largest river port (Rhein-Ruhr Hafen Duisburg) and one of the main economic centres of Germany.
Gerardus Mercator, ‘king of cartographers’, worked and lived in Duisburg in the 16th century.
Sister City of Perm since 2007.