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Södermanland

Top 7 Castles in Södermanland

Castles in Södermanland offer a rich historical landscape with a significant collection of historical sites. The region is home to approximately 400 castles and manors, many situated on lakeshores or within nature reserves. These sites provide insights into Swedish history, from medieval origins to royal residences and baroque architecture. Visitors can explore grand halls, historical theaters, and extensive grounds.

Best castles in Södermanland

  • The most popular castles is Gripsholm Castle, a castle that holds a four-hundred-year-old history and houses…

Last updated: April 29, 2026

Gripsholm Castle

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The "Theatre King" Gustav III, who had the theatre built in the castle, even wrote his own plays and sometimes even took on a role himself

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Sundbyholm Castle

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Sundbyholm Castle was originally a monastery of Saint John, requisitioned by the Swedish crown in 1527. It is on a hill overlooking the lake and has a marina.
Today it is a ⭐️⭐️⭐️⭐️hotel and conference center.
sundbyholms-slott.se/en

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Nyköpingshus Castle

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The castle complex from the 13th century was destroyed in 1318, rebuilt around 50 years later and converted into a Renaissance palace at the end of the 16th century.

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Stallarholmen

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Stallarholmen is a nice mix of experiences: you can go shopping in Gula Industrihuset, visit Mälsåker Castle or its three medieval churches, enjoy the view at Åsa grave field, cycle …

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Södertuna Castle

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Definitely spend the night and have dinner here: well-kept rooms, classy ambience and excellent dinner! Wonderful!

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Bathroom is free and open to the public

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Stora Sundby Castle

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Picturesque privately owned castle.
The castle gardens are open to the public free of charge between 10 a.m. and 6 p.m.
A visit to the headland on the lake offers (subjectively) the best photo perspective. 📷

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Daniel
September 18, 2025, Stora Sundby Castle

Picturesque privately owned castle. The castle gardens are open to the public free of charge between 10 a.m. and 6 p.m. A visit to the headland on the lake offers (subjectively) the best photo perspective. 📷

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The "Theatre King" Gustav III, who had the theatre built in the castle, even wrote his own plays and sometimes even took on a role himself

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Clea
July 19, 2025, Sundbyholm Castle

Hotel, small beach, marina, park.

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Very impressive. The visit was worthwhile. The existence of the palace theater was particularly surprising.

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The castle is ideal for a short break; the large parking lot is free and you can even get a snack.

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It is impressive how well the foundry art for these cannons was in the 17th century.

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Stallarholmen is a nice mix of experiences: you can go shopping in Gula Industrihuset, visit Mälsåker Castle or its three medieval churches, enjoy the view at Åsa grave field, cycle along the trails, moor in the guest harbour and eat at the restaurant or visit its many popular events.

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Siegfried
September 27, 2024, Sundbyholm Castle

The castle on the headland in Lake Märlaren has a lot of history to offer. The very well-kept grounds and the building now serve as a conference venue for events.

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Frequently Asked Questions

What unique historical features can I find at Södermanland's castles?

Södermanland's castles offer diverse historical insights. For example, Gripsholm Castle houses the Swedish State's National Portrait Collection and a well-preserved 18th-century theater. Nyköpingshus Castle showcases a history of destruction and rebuilding, transforming into a Renaissance palace. Mälsåker Castle is a notable example of Baroque architecture from Sweden's 'great power era'.

Are there castles in Södermanland that offer accommodation?

Yes, some castles in Södermanland have been converted into hotels or conference centers. Sundbyholm Castle, originally a monastery, now operates as a hotel and conference center. Södertuna Castle also offers accommodation with a classy ambiance and excellent dining.

Which castles in Södermanland are known for their natural surroundings or viewpoints?

Many castles in Södermanland are set in picturesque natural environments. Gripsholm Castle is on the shores of Lake Mälaren and includes the Hjorthagen nature reserve. Stora Sundby Castle reflects in the waters of Lake Hjälmaren. Nynäs Castle is situated within the Nynäs nature reserve near the Baltic Sea, offering an authentic glimpse into the past with its well-preserved interiors.

Can I visit castles in Södermanland with my family?

Yes, several castles in Södermanland are family-friendly. Gripsholm Castle, Sundbyholm Castle, and Nyköpingshus Castle are all categorized as family-friendly. Mälsåker Castle also hosts family activities, and Öster Malma Castle offers a wildlife park for a unique nature experience.

What outdoor activities are available near Södermanland's castles?

The region around Södermanland's castles offers various outdoor activities. You can find numerous hiking trails, such as those detailed in the Hiking in Södermanland guide, including easy and moderate routes. There are also running trails available, which you can explore in the Running Trails in Södermanland guide. Many castles are located near lakes or nature reserves, providing opportunities for strolls and enjoying the scenery.

What is the best time of year to visit the castles in Södermanland?

The summer months are particularly popular for visiting Södermanland's castles, as many offer extended opening hours, guided tours, and outdoor events. The scenic grounds and gardens are also at their best. During summer, you can even reach Gripsholm Castle by the century-old steamboat S/S Mariefred across Lake Mälaren. Autumn can also be beautiful with changing foliage, and some castles host special events during this season.

Are there castles in Södermanland accessible by public transport?

Yes, some castles are accessible by public transport. For instance, Gripsholm Castle in Mariefred can be reached by the historic S/S Mariefred steamboat during summer, offering a unique journey across Lake Mälaren. For detailed public transport options to specific castles, it's advisable to check local transport schedules.

Which castles in Södermanland have notable gardens or parks?

Several castles in Södermanland boast impressive gardens and parks. Stora Sundby Castle's gardens are open to the public free of charge. Tullgarn Castle, a royal palace, invites visitors to enjoy its magnificent park and apple orchard. Gripsholm Castle's grounds include the Hjorthagen nature reserve where deer roam freely.

Where can I find unique dining experiences or cafes near Södermanland's castles?

Södermanland offers unique culinary experiences near its castles. Taxinge Castle, often called the 'cake castle,' is famous for its elaborate cake buffet, offering a wide selection of homemade cakes and biscuits. Tullgarn Castle also houses the Tullgarn Castle Café, perfect for a break during your visit. Many castles that operate as hotels, like Sundbyholm Castle and Södertuna Castle, also feature restaurants.

What is the 'Castle Safari' in Södermanland?

Södermanland is home to approximately 400 castles and manors, leading to the concept of a 'Castle Safari.' This refers to the opportunity to explore a wide variety of historical estates, from medieval origins to royal residences and baroque masterpieces, often situated in beautiful natural settings. You can find more information about the region's castles and a 'Castle Safari' map on the Visit Sörmland website.

Are there any 'hidden gem' castles in Södermanland worth exploring?

While many castles are well-known, Södermanland's vast number of historical sites means there are always less-explored gems. Mälsåker Castle, considered one of Sweden's most beautiful Baroque castles, has recently reopened to the public after a long period, hosting music events and exhibitions. Nynäs Castle, with its exceptionally well-preserved interiors and original furnishings, offers an authentic, less-commercialized historical experience within a nature reserve.

Can I find guided tours at Södermanland's castles?

Yes, many of the larger and more prominent castles in Södermanland offer guided tours to enhance your visit. Tullgarn Castle, for instance, provides guided tours of its royal premises. It's always recommended to check the specific castle's official website or contact them directly for current tour schedules and booking information.

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