Hamburg-Harburg is a borough of the city of Hamburg. It covers about 161 km² (21% of the area of Hamburg), and has a population of 196,000.

Until 1937 Harburg was an independent city, capital of the Prussian district of Harburg. Following the Groß-Hamburg-Gesetz (Greater Hamburg Act) Harburg, together with other cities such as Altona, was incorporated into the city of Hamburg.