Herefoss Municipality

Herefoss is a former municipality in the old Aust-Agder county, Norway. The 148.2-square-kilometre (57.2 sq mi) municipality existed from 1838 until its dissolution in 1967. The area is now part of Birkenes Municipality in Agder county. The administrative centre was the village of Herefoss where the Herefoss Church is located. The other main village was Søre Herefoss, located in the southern part of the municipality.

Prior to its dissolution in 1967, the 148.2-square-kilometre (57.2 sq mi) municipality was the 356th largest by area out of the 460 municipalities in Norway. Herefoss Municipality was the 454th most populous municipality in Norway with a population of about 605. The municipality's population density was 4.1 inhabitants per square kilometre (11/sq mi) and its population had increased by 0.8% over the previous 10-year period.