On 1 July 1921 , the area of Lund ( population : 2,164 ) which is located on the headland between the mouth of the river Otra .
The Topdalsfjorden was transferred from Oddernes municipality to the town of Kristiansand , constituting a new borough in the town .
On 1 July 1921 , the area of Lund ( population : 2,164 ) which is located on the headland between the mouth of the river Otra and the Topdalsfjorden was transferred from Oddernes municipality to the town of Kristiansand , constituting a new borough in the town .