It is situated approximately 30 km (19 mi) north of Stendal in the Altmark, a historic region in Germany, comprising the northern third of Saxony-Anhalt.

In the Middle Ages Seehausen developed into a wealthy trade centre which was surrounded by a moat and a wall.

[6] As river Aland was navigable goods produced in Seeland and the area around like wheat, linnen and wool could easily be transported to the other hanseatic towns and cities.

[9] A part of the medieval town wall with a height of up to 4 metres dating from the 15th century is left and can be visited in Petristraße.

The ancient rampart and moat is well-preserved, e.g. close to the former gate "Beustertor" at Hoher Wall Street.

Seehausen has many well-preserved half-timbered houses, especially in Beusterstraße, Steinstraße and Petristraße (built around 1750).

Waldbad, a public outdoor swimming pool in the park, founded in 1938 and renovated several times, is visited by many locals and tourists.