Årnes is the administrative centre of Nes municipality, Akershus, Norway.Its population (2005) is 3,140; the largest in Nes. Årnes is located in the north-east of Akershus county along the Glomma River, Norway's largest and longest, in Nes municipality. Areas that compose Årnes are among others Årnes sentrum, Runni, Drognes, Høie, Fjuk, Dragsjø, Kjus, Fjellfoten, Bodding, Henni, Husmo, Østgård, Bjørknes and Sagstua.