The historical Siegerland comprises the old district of Siegen in today's Siegen-Wittgenstein district Nordrhein-Westfalen. The so-called upper district of the Altenkirchen district (Westerwald), which belongs to Rhineland-Palatinate, is economically closely connected to the Siegerland, but culturally it is difficult to distinguish between Siegerland and the Westerwald. Geographically, it belongs to the Siegerland natural area. Geologically, the Siegerland belongs to the right bank of the Rhine Rhenish slate mountains, the most important center of which is the city of Siegen. Both region and city names go to the Victory back, a tributary of the Rhine, which in the Rothaar Mountains arises.
The Siegerland airport is an airport not far south-east of Siegen bei Lippe on the state border of North Rhine-Westphalia and Rhineland-Palatinate. It is classified as a commercial airport and is 599 m above sea level. NN one of the highest commercial airports in Germany. The airport was opened in 1967.