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The best museums in Södermanland

Ranked by the Sweden Herald newsroom and our readers, with the practical details you need.

The best museums in Södermanland

Nyköping Castle, SödermanlandNumber 1
Museum

Nyköping Castle

A listed heritage building

Nyköpingshus, Vallgatan, Nyköpingkr kr

Gerda, SödermanlandNumber 2
Museum

Gerda

A listed heritage building

Långmaren, SödermanlandNumber 4
Museum

Långmaren

A listed heritage building

Swedish Tank Museum, SödermanlandNumber 8
Museum

Swedish Tank Museum

See military vehicles that can travel on land and in deep water, with exhibits tracing their development from the early 20th century to today.

kr kr

The Birka museum, SödermanlandNumber 10
Museum

The Birka museum

See archaeological finds and models of Viking-age Birka alongside displays about people buried there.

kr kr

Östra Södermanlands Järnväg, SödermanlandNumber 11
Museum

Östra Södermanlands Järnväg

Ride a roughly 100-year-old narrow-gauge steam train on the route linking Mariefred, Läggesta and Taxinge.

F11 Museum, SödermanlandNumber 12
Museum

F11 Museum

Visit to see how cameras and aircraft were used for Sweden’s Cold War reconnaissance missions.

National Portrait Gallery of Sweden, SödermanlandNumber 13
Museum

National Portrait Gallery of Sweden

See more than 800 portraits at Gripsholm Castle, including works spanning the collection’s history from the 16th century to the present.

Sörmland Museum, SödermanlandNumber 19
Museum

Sörmland Museum

To visit a museum that Wikidata dates to 1913.

How this list is made

Ranked by the Herald score: recognition (guides, heritage, visitor numbers, the tourism boards), interest from abroad (English Wikipedia), what Sweden Herald readers rate and read, how recently the facts were checked, and the editors. Nothing a place pays changes its place in the list.

We do not have enough reader ratings for these places yet, so for now the order rests on the outside signs and on how much the world looks for each place. Ratings will count once readers have given them.

Updated 7 November 2026

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