is an

autobahn The (; German , ) is the federal controlled-access highway system in Germany. The official term is (abbreviated ''BAB''), which translates as 'federal motorway'. The literal meaning of the word is 'Federal Auto(mobile) Track'. Much of t ...

Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...

. It runs largely parallel to the

Bundesstraße 5 The Bundesstraße 5 (abbr. B5) is a German federal highway running in a northwesterly to southeasterly direction from the Danish border near Niebüll to Frankfurt (Oder). It provides a direct route for motorists traveling between Berlin and H ...

; its main purpose is to connect the

hinterland Hinterland is a German word meaning the 'land behind' a city, a port, or similar. Its use in English was first documented by the geographer George Chisholm in his ''Handbook of Commercial Geography'' (1888). Originally the term was associated wi ...

Hamburg Hamburg (, ; ), officially the Free and Hanseatic City of Hamburg,. is the List of cities in Germany by population, second-largest city in Germany after Berlin and List of cities in the European Union by population within city limits, 7th-lar ...

. North of

Heide Heide (; Holsatian: ''Heid'') is a town in Schleswig-Holstein, Germany. It is the capital of the ''Kreis'' (district) Dithmarschen. Population: 22,000. The German word ''Heide'' means "heath". In the 15th century four adjoining villages decide ...

, the A 23 becomes B 5 and connects

Eiderstedt Eiderstedt (, ; ; North Frisian: ''Ääderstää'') is a peninsula in the district of Nordfriesland in the German federal state of Schleswig-Holstein. Overview It is approximately 30 km in length and 15 km in width and has been cre ...

Husum Husum (, ) is the capital of the ''Kreis'' (district) Nordfriesland in Schleswig-Holstein, Germany. The town was the birthplace of the novelist Theodor Storm, who coined the epithet "the grey town by the sea". It is also the home of the annual i ...

and the ferries to the islands of

Nordfriesland Nordfriesland (; ; Low German: Noordfreesland), also known as North Frisia, is the northernmost Districts of Germany, district of Germany, part of the state of Schleswig-Holstein. It includes almost all of traditional North Frisia (with the e ...

to the autobahn network.

Exit list

External links

23 A023 A023 {{Germany-road-stub