Enrum is a neighbourhood in the city of Kristiansand in Agder county, Norway. It is located in the borough of Grim and in the district of Grim. It is located north of , east of Klappane and Paradis, and southwest of Ravnedalen. Idda Arena is an indoor iceskating hall and a gymnastic hall. Idda is near Grim Junior High and Solholmen Elementary.