58.44944444, 8.23333333
Birkenes is a municipality in Agder county, Norway. It is located in the traditional district of Sørlandet. The administrative centre of the municipality is the village of Birkeland, where about half the municipal population lives. Other villages in Birkenes include Ås, Engesland, Flakk, Håbbesland, Herefoss, Mollestad, Oggevatn, Rugsland, Senumstad, Søre Herefoss, Svaland, Tveide, and Væting.
The 637-square-kilometre (246 sq mi) municipality is the 183rd largest by area out of the 356 municipalities in Norway. Birkenes is the 175th most populous municipality in Norway with a population of 5,390. The municipality's population density is 9 inhabitants per square kilometre (23/sq mi) and its population has increased by 9.2% over the previous 10-year period.