Sweden

Gripsholm Castle (Swedish: Gripsholms slott) is a castle in Mariefred, Södermanland, Sweden. It is located by Lake Mälaren in south central Sweden, in the municipality of Strängnäs, about 60 km west of Stockholm.

Kalmar Castle (Swedish: Kalmar slott) is a castle in the city Kalmar in the province of Småland in Sweden.

Tre Kronor (Swedish pronunciation: [ˈtreː ˈkrûːnʊr] or [ˈtreː ˈkrûːnɛr]) or Three Crowns Castle was a castle located in Stockholm, Sweden, on the site where Stockholm Palace is today. It is believed to have been a citadel that Birger Jarl built into a royal castle in the middle of the 13th century.

Örebro Castle (Swedish: Örebro slott) is a medieval castle fortification at Svartån in Örebro County, Sweden. It was expanded during the reign of the royal family Vasa (House of Vasa) and finally rebuilt about 1900.

Uppsala Castle (Swedish: Uppsala slott) is a 16th-century royal castle in the city of Uppsala, Sweden. Throughout much of its early existence, the castle played a major role in the history of Sweden.

Kronoberg Castle (Swedish: Kronobergs slott) is a medieval ruined castle (slottsruin) located on an island in Helgasjön ("the Helga Lake"), 5 kilometres (3. 1 mi) north of Växjö in Kronoberg County, which is named after the castle.

Malmö Castle (Swedish: Malmöhus or Malmöhus Slott) is a medieval castle located on Slottsholmen ("Castle islet") in Malmö, Sweden. It was built between 1526 and 1539 and is thus the oldest preserved Renaissance castle in the Nordic region.

Halmstad Castle (Halmstads slott) is a 17th-century castle situated in Halmstad, in the province of Halland, Sweden. During the first half of the 17th century, Halland was a province of Denmark.

Bogesund Castle is a former manor in municipality of Vaxholm, about 15 kilometres (9. 3 mi) to the east of Stockholm, Sweden.

Ekensholm Castle (Swedish: Ekensholms Slott) is a manor house in Sweden. It is located in Flen Municipality (Swedish: Flens Kommun), in Södermanland County.