An 18th-century yellow castle set beside Lake Frösjön near Gnesta in Sörmland, Södertuna Slott offers 70 rooms, the grand Hertig Karls Hall with lake views, the rustic historic Stallet and a full spa — wedding and exclusive-use packages for up to 120 guests.
Södertuna Slott is a bright yellow castle that appears at the edge of Lake Frösjön in Sörmland as though placed there by a set designer — elegant rooflines, formal grounds and a shimmering lake reflection that shifts with the seasons. The main building dates from the 18th century, and its interiors preserve the architectural details of that era: late-19th-century decorative elements, crystal chandeliers and elaborate proportions that have been carefully maintained rather than modernised away. The Åström family manages the estate with an emphasis on sustainability, tradition and proper hospitality.
For weddings the central choice is between Hertig Karls Hall — the largest banquet space, with vaulted ceilings, five tall windows framing lake views and four magnificent crystal chandeliers seating 120 — and Stallet, a 19th-century stable that seats the same number in a completely different register: bar in a horse stall, stage in the hayloft, exposed timbers throughout. Full exclusive rental of the castle is available and gives the party access to all salons, dining rooms, function rooms, hotel rooms and castle grounds. The Hertig Karls-bad spa — wood-fired hot tub, indoor pool, sauna — is available to hotel guests throughout.
Enquire about Södertuna Slott →Hertig Karls Hall seats up to 120 with vaulted ceilings, five lake-view windows and four crystal chandeliers. Stallet (The Stables) also seats up to 120 in a rustic 19th-century stable setting with bar in the horse stall and stage in the hayloft.
Yes — full exclusive castle rental is available from 3,695 SEK per person, giving access to all rooms, salons, function spaces, hotel rooms and castle grounds.
70 rooms and baths; the spa (Hertig Karls-bad) with wood-fired hot tub, indoor pool and sauna is available to hotel guests.
Yes — Nina Strand Blomqvist, the Castle Manager, is the dedicated wedding coordinator who helps couples shape every detail of the day.
Minimum 80 guests for the main wedding packages.
646 91 Gnesta, Sörmland — south-west of Stockholm (nearest station: Gnesta).
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