Nordstrand Arena, also known as Niffen, is one of Norway's oldest sports associations and is located in Oslo. The arena has a handball hall with two playing surfaces, which can be converted into one elite court. In addition, football pitches are offered, making it a varied facility for various sports. The main focus is on handball, but the arena also offers activities in football, alpine skiing, cross-country skiing, orienteering and triathlon.
To support the club's activities, a club lottery is organized and there is a goalkeeping academy for handball players. Nordstrand Arena engages members in voluntary work and hall responsibility, and organizes cups and activity camps for young athletes. In addition, the arena has a wide range of activities in ball sports, floorball, volleyball and martial arts, as well as activities for para sports and wheelchair handball.