Örebro Castle is a medieval castle located in the city of Örebro, in central Sweden. The castle has a history dating back to the 13th century, with the oldest parts of the castle constructed in the late 1200s by Birger Jarl, a Swedish statesman.

Kalmar Castle, located in the city of Kalmar, Sweden, is a historic fortress that has played a significant role in the country's history. This well-preserved Renaissance castle is known for its impressive architecture and historical importance.

Gripsholm Castle, located in the picturesque town of Mariefred, Sweden, is a historic royal castle that boasts both architectural splendor and cultural significance. It is one of Sweden's most well-preserved Renaissance castles and serves as a popular tourist destination.

Sofiero Palace is a royal palace located in Helsingborg, Sweden. The palace was originally built in the 1860s as a summer residence for the Swedish royal family, and it has since become a popular tourist attraction and event venue.