| name | image | style | date demolished | type | use | administrative division | continent | date completed | date Start construction | Website | Height (m) | city | Country | latitude (°) | longitude (°) | Original_owner/Owner/Protection | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mälsåker Castle |  | Södermanland County | Europe | website | Strängnäs Municipality | Sweden | 59.3841666700 | 17.3066666700 | National Property Board of Sweden | Map | |||||||
| Tynnelsö Castle |  | Södermanland County | Europe | 13rd century | website | Strängnäs Municipality | Sweden | 59.4122222200 | 17.1002777800 | Catherine Stenbock, Charles ix of sweden, Charles xi of sweden, Frederick i of sweden, Frederick William von Hessenstein, Gustav I of Sweden, Hedwig Eleonora of Holstein-Gottorp, Maria Eleonora of Brandenburg, National Property Board of Sweden | Map |