Wasserburg Flechtingen, Moated castle in Flechtingen, Saxony-Anhalt, Germany

Wasserburg Flechtingen is a water castle in the village of Flechtingen, in northern Saxony-Anhalt, built on rocky ground amid flat terrain. The complex consists of a keep, defensive walls, and several buildings grouped around two courtyards, all surrounded by a water-filled moat.

The first written record of the castle dates to 1307, when Heinrich von Schenck received Flechtingen as a fief from the Margrave of Brandenburg-Salzwedel. Over the following centuries, the complex was expanded and adapted several times to suit changing needs.

The Schenck family, whose name comes from the court office of Schenk, held the castle until 1945; the keep's battlement crown was renewed under Eduard von Schenck between 1860 and 1897. Since 1979 the wrought-iron main gate of Hundisburg Castle park has stood between the castle courtyard and the castle garden.

The castle now houses a retirement home, so the buildings are not open to visitors. The park laid out around 1860 and the dam built in 1864 can be walked, and the wrought-iron gate from Hundisburg Castle, installed in 1979 between courtyard and garden, is visible from the grounds.

The keep's current crenellated ring was added between 1860 and 1897 under Eduard von Schenck; the original had three merlons and two crenellation windows per side. In 1966 an interior lift was installed in the keep to serve the retirement home then housed in the castle.