Leezen is an Amt ("collective municipality") in the district of Segeberg, in Schleswig-Holstein, Germany. The seat of the Amt is in Leezen. The Amt Leezen consists of the following municipalities: Bark Bebensee Fredesdorf Groß Niendorf Högersdorf Kükels Leezen Mözen Neversdorf Schwissel Todesfelde Wittenborn Ämter in Schleswig-Holstein Segeberg