Aarhus is in the geographical center of Denmark.
Aarhus ( [ ˈɒːhuːˀs ] ; 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 km northwest of Copenhagen and 289 km north of Hamburg , Germany . Today Aarhus is at the cultural and economic core of the region and the largest centre for trade , services and industry in Jutland . Being the Danish city with the youngest demographics , with 48,482 inhabitants aged under 18 , Aarhus is also the second fastest growing Danish city , with an average growth of 4,500 people per annum since 2008 .