Schloss Agathenburg, a baroque brick castle from 1655 in Agathenburg near Stade, rents three rooms for company events, seminars, weddings and private celebrations. The former horse stable takes 150 people in rows or 130 at banquet tables, the concert hall seats up to 80, and the vaulted room in the basement holds about 40 at tables. The castle belongs to a cultural foundation that also runs concerts and exhibitions in the house.
Seminars and company events
The castle is offered for conferences, seminars, lectures, presentations, trainings and workshops. Seating ranges from a small meeting layout up to 80 seats in rows. The rooms have a projector, a screen, a lectern, a flip chart and sound equipment. The castle café provides coffee, tea, drinks, cake and sandwiches, while full meals and larger snacks come from caterers you book separately. A named contact handles planning requests. The Pferdestall, the former horse stable, is also open for company events and can be used for larger groups.
Weddings and receptions
Agathenburg is an external wedding venue of the registry office of Horneburg. Civil ceremonies take place once a month from April to October on set days, with up to 30 seated guests in the Festsaal, which is the concert hall. Free ceremonies can be held outdoors on the island in the castle pond for up to 40 guests, or on the park terrace. The concert hall is reserved as a rain option. The celebration can continue in the Pferdestall, or the vaulted room can host a reception with access to the park. Sparkling wine service can be arranged.
Rooms and capacities
Pferdestall: 220 square meters, former horse stable with timber posts, wooden floor, a large barn door and the original feeding troughs. 130 at banquet tables, 150 in rows, dancing allowed, free choice of caterer. It has a cloakroom, a bar area, refrigerators and a large sink, 145 stackable chairs and 27 tables. No draft beer system is available.
Konzertsaal: 73 square meters on the ground floor beside the foyer, with a parquet floor, stucco ceiling and a grand piano. About 80 in rows, about 50 at banquet tables, dancing allowed, free choice of caterer. Civil weddings are possible. It can be booked during opening hours.
Zum-Felde-Gewölbe: 71 square meters in the basement, a vaulted room with a glazed floor window over the foundation stones and direct access to the park terrace. About 40 at banquet tables, dancing allowed, free choice of caterer. The whole castle is reachable by a glass lift.
Catering
You choose your own caterer in all three rooms. The castle café serves hot and cold drinks, cake and sandwiches for seminar guests, and two named caterers are used by the house.
History and setting
Hans Christoph Graf von Königsmarck, a field marshal, built the castle in 1655. It sits above the Elbe valley, with a park, a rose garden and a view over the Altes Land. A museum tells the story of the castle and the Königsmarck family. The cultural foundation uses the castle and the stable for concerts, readings, seminars and exhibitions.
Getting there
The address is Hauptstraße 45, 21684 Agathenburg. The site has a page on location and access. The castle is closed to visitors from December to the end of February, but rooms can still be rented in that period.




