For the first time since 70 years, archaeological excavations have started in the early medieval circular fortress called Lembecksburg on the North Frisian island of Föhr. The four-year project shall address the questions of the beginning and end of the interior settlement as well as who and out of which reasons the fortress was erected. In a first step, the old excavation trenches are re-opened and once more thoroughly investigated with state-of-the-art methods. The excavation team is directed by Dr. Kirsten Hüser and Piere Leon Frederiks MSc and consists of students from Kiel and Tübingen University. During the next eight weeks, basic information and exciting new insights on the history of the fortress and its inhabitants shall be gained.