Södertuna Castle is a hotel and former castle in Gnesta Municipality

Gnesta Municipality

Gnesta Municipality is a municipality in Södermanland County in southeast Sweden. Its seat is located in the town of Gnesta, with some 5,000 inhabitants....

, Sweden

Sweden

Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

. It dates to the 14th century and now is luxury hotel and conference center. The main building is of medieval origin, but was updated during the 17th century and late 18th century. The last major renovation in 1892. The castle is situated on an island in Frösjön

Frösjön

Frösjön is a lake of Södermanland, Sweden....

 not far from Gnesta

Gnesta

Gnesta is a bimunicipal locality and the seat of Gnesta Municipality, Södermanland County, Sweden with 10,318 inhabitants in December 31, 2009.It is on the border to Stockholm County, and a minor part of Gnesta is in Södertälje Municipality...

.

It has belonged to members of the families: Sparre, Lovisin, Palmenfelt, Ehrensvard, Wachtmeister, Adelborg and von Eckermann.
The castle and the park was split off in 1985 by the von Eckermann family . The new owners, together with an additional couple of Norwegian investors made the palace into the hotel and conference center which was inaugurated in 1986 by Princess Christina. In 2007 the castle was sold to the Åström family, which also operates Dufweholms Manor Inn and Gripsholm.