It is a centre for research and education in the Nordic countries and home to Aarhus University, Scandinavia's largest university, including Aarhus University Hospital and INCUBA Science Park.
Being the Danish city with the youngest demographics, with 48,482 inhabitants aged under 18, Aarhus is notable for its musical history.
Some Danish cities resisted the new spelling of their names, notably Aalborg and Aabenraa.
In the 1950s many jazz clubs sprang up around the city, fuelled by the young population.
By the 1960s, the music scene diversified into rock and other genres.
The city ranks as the 92nd largest city in the European Union, and as number 234 among world cities. Aarhus is the principal industrial port of the country in terms of container handling and an important trade hub in Kattegat.
Major Danish companies have based their headquarters here and people commute for work and leisure from a wide area in Region Midtjylland.
Parts of the ramparts are still in existence today and can be experienced as steep slopes at the riverside and they have also survived in some place names of the inner city, including the streets of Volden (The Rampart) and Graven (The Moat).
Aarhus grew to become one of the largest cities in the country by the early 16th century.In 2017, Aarhus has been selected as European Capital of Culture along with Paphos in Cyprus.With the Danish spelling reform of 1948, "Aa" was changed to "Å".In the 900s an earth rampart for the defence of the early city was constructed, encircling the settlement, much like the defence structures found at Viking ring fortresses elsewhere.The rampart was later reinforced by Harald Bluetooth, and together with the town's geographical placement, this suggests that Aros was an important trade and military centre.Market town privileges were granted in 1441, but growth stagnated in the 17th century as the city suffered blockades and bombardments during the Swedish Wars.