Copenhagen's Best Palaces & Castles, Ranked

Christiansborg sits on Slotsholmen, where Copenhagen's centre of power has stood for over 800 years. The current 1928 palace houses Parliament, the Supreme Court and the Prime Minister's office, while the royal family still uses it for state functions. Beneath it lie the actual ruins of Bishop Absalon's 1167 castle, open to explore, and the Great Hall's 17 tapestries, commissioned for Queen Margrethe II's 50th birthday, depict a thousand years of Danish history. The tower is free to climb and gives the best panoramic view in the city centre.

• Address: Slotsholmen, a short walk from Kongens Nytorv
• Hours: Daily 10:00-17:00 in summer (longer in July-Aug), Tue-Sun in winter
• Cost: Royal Reception Rooms only ~105 DKK; combined ticket (rooms, ruins, kitchens, stables) ~175 DKK; tower always free
• Time needed: 3-4 hours for everything
• Open Christiansborg Palace in Google Maps

Tip: Get the combined ticket, it's better value than paying for sections separately. A free English guided tour of the Reception Rooms typically runs daily around 15:00, and the tower is free regardless of what else you book, go on a clear day for views across to Sweden.

Amalienborg isn't a museum first, it's where the Danish royal family lives during winter; when the flag flies over the palace, King Frederik X and Queen Mary are home. Four identical rococo palaces ring an octagonal courtyard around an equestrian statue of Frederik V, one of Europe's finest rococo ensembles. Christian VIII's Palace houses a museum of royal private apartments from the last 150 years, including the Fabergé Chamber's Russian jewellery, but the real draw is watching the guard march in from Rosenborg at 11:30 and arrive here at noon sharp, daily, rain or shine.

• Address: Amalienborg Slotsplads, near Marmorkirken
• Hours: Tue-Sun, roughly 10:00-16:00 or 17:00 depending on season; check ahead as royal events can affect access
• Cost: Museum around 125 DKK; the palace square and the Changing of the Guard are always free
• Time needed: 1-2 hours, plus 30 minutes for the guard ceremony
• Open Amalienborg Palace in Google Maps

Tip: Arrive by 11:45 to get a good spot for the Changing of the Guard. The fullest ceremonies, with the royal orchestra, happen roughly September through April when the family is in residence. Marmorkirken is right across the street if you want to combine the two.

A 45-minute train ride north in Helsingør, Kronborg has stood on the Øresund strait since 1574, close enough to Sweden that it once collected tolls from every ship passing through the sound. UNESCO-listed since 2000, it's famous worldwide as Elsinore, the setting of Hamlet, even though Shakespeare himself likely never visited. The ballroom stretches nearly 60 metres, one of Northern Europe's largest, and the underground casemates hide a statue of Holger Danske, the legendary Danish hero said to wake when the country needs him. Summer brings open-air Hamlet performances in the courtyard.

• Address: Kronborg, Helsingør, 45 min by train from Copenhagen Central Station
• Hours: Daily 11:00-16:00 in peak season (May-Oct also open Mondays), Tue-Sun in winter
• Cost: Around 145 DKK adults; free under 18; free with Copenhagen Card; 10% off booking online
• Time needed: Half a day including travel, 2-3 hours at the castle
• Open Kronborg Castle in Google Maps

Tip: The castle grounds are free to wander even without a ticket, but the interior is worth paying for. Combine with lunch at Værftets Madmarked, a street food market about 10 minutes' walk away, and check ahead if you want to catch a summer Hamlet performance.

Built by Christian IV between 1600 and 1620 in Hillerød, about 40 minutes from Copenhagen, Frederiksborg sits on three small islands in a lake, its reflection genuinely postcard-perfect. After a devastating 1859 fire, Carlsberg founder J.C. Jacobsen funded its restoration into the Museum of National History, tracing 500 years of Denmark through portraits and artefacts. The Castle Chapel survived the fire intact and is still used for royal anointments; the Baroque Garden's boxwood-hedge monograms are a masterpiece of symmetry, and a summer ferry crosses the lake for the best photos.

• Address: Hillerød, 40 min by S-train (Line A) from Copenhagen
• Hours: Daily 10:00-17:00 (Apr-Oct), 11:00-15:00 (Nov-Mar)
• Cost: Around 115 DKK adults, 95 DKK students/seniors; free under 18; free with Copenhagen Card
• Time needed: Half a day, 2-3 hours at the castle and gardens
• Open Frederiksborg Castle in Google Maps

Tip: Walk the 15-20 minutes from Hillerød station through the old town rather than taking the bus, it's a lovely approach with your first glimpses of the towers along the way. The gardens are free to wander even without a museum ticket.