Royal Palace, Stockholm (must see)

The Royal Palace in Stockholm, also known as Stockholm Palace, is the official residence of the Swedish monarch, although King Carl XVI Gustaf and Queen Silvia primarily reside at Drottningholm Palace. Situated in the Old Town of Stockholm (Gamla Stan), adjacent to the Parliament building, the Royal Palace is a significant ceremonial venue for the King in his role as head of state.

This historic site has served as a royal residence since the mid-13th century, originally home to the Three Crowns (Tre Kronor) Castle. Following a devastating fire in 1697, the current palace was constructed, with its completion delayed until 1754 due to the Great Northern War. The palace is one of the largest in the world, boasting over 1,400 rooms, including state and guest apartments, the Hall of State, the Royal Chapel, and several museums.

Visitors are welcomed by the Swedish Royal Guard, a tradition rooted in medieval Sweden, adding to the palace's majestic atmosphere. The palace’s interior is notable for its exquisite copper roof and houses significant cultural artifacts, including the Bernadotte Library, the Royal Armoury, and the Three Crowns Museum.

One of the most distinguished features is Gustav III's Museum of Antiquities, one of Europe’s oldest museums, which displays over 200 sculptures acquired by King Gustav III during his travels in Italy. The palace also offers a unique shopping experience at the Royal Gift Shop, where visitors can purchase exclusive items linked to the Royal Collections. The shop is open daily with free entry, making it a popular destination for both history enthusiasts and those seeking distinctive souvenirs.

Tip:
While the rooms are well-marked in English, it's always good to go on a guided tour for a more personalized experience.
The Treasury room, with all the regalia, would justify taking the tour as you get to learn more about what you're looking at.