uncovered when a motorway was built in 1964. It was part of a small settlement with 500 inhabitants that existed for approximately 200 years. The settlement was abandoned in the 3rd century. In the 5th and 6th centuries, an Alamanni settlement existed. Lenzburg is first mentioned in 924 as de Lencis.

In 1036, Lenzburg Castle was used for the first time as seat for the Count of Lenzburg, then an important lord. The house