Archaeologists have conducted several excavations in the inner city since the 1960s revealing wells, streets, homes and workshops.
In the buildings and adjoining archaeological layers, everyday utensils like combs, jewellery and basic multi-purpose tools from approximately the year 900 have been found.
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.
There are strong indications of a former royal residence from the Viking Age in Viby, a few kilometres south of the Aarhus city centre.
The growing influence of the Church during the Middle Ages gradually turned Aarhus, with its bishopric, into a prosperous religious centre.
As the industrial revolution took hold, the city grew to become the second-largest in the country by the 20th century.
Today Aarhus is at the cultural and economic core of the region and the largest centre for trade, services and industry in Jutland.
; officially spelled Århus from 1948 until 31 December 2010) is the second-largest city in Denmark and the seat of Aarhus municipality.
It is located on the east coast of the Jutland peninsula, in the geographical centre of Denmark, 187 kilometres (116 mi) northwest of Copenhagen and 289 kilometres (180 mi) north of Hamburg, Germany.The charter is the first official recognition of the town as a regional power and is by some considered Aarhus' birth certificate.The official and religious status spurred growth so in 1477 the defensive earthen ramparts, ringing the town since the Viking age, were abandoned to accommodate expansion.Whichever spelling local authorities choose, most newspapers and public institutions will accept it.Some official authorities such as the Danish Language Committee, publisher of the Danish Orthographic Dictionary, still retain "Århus" as the main name, providing "Aarhus" as a new, second option, in brackets and some institutions are still using "Århus" explicitly in their official name, such as the local newsmedia Århus Stiftstidende and the schools Århus Kunstakademi and Århus Statsgymnasium for example.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.