Copenhagen, Denmark

Copenhagen is a beautiful city with a lot to offer. Here's an ideal itinerary for your 4-day solo trip:

Day 1:

• Start your day by visiting the iconic Little Mermaid statue, which is located at the Langelinie promenade. It's a great spot to take some photos and enjoy the view of the harbor.
• After that, head to the Nyhavn area, which is known for its colorful buildings and lively atmosphere. You can take a boat tour from here to explore the city from the water.
• In the afternoon, visit the Tivoli Gardens, which is one of the oldest amusement parks in the world. It has a lot of rides, games, and attractions, as well as beautiful gardens and restaurants.

Day 2:

• Begin your day by visiting the Christiansborg Palace, which is the seat of the Danish parliament and also houses the Royal Reception Rooms and the Supreme Court. You can take a guided tour to learn more about the history and architecture of the palace.
• After that, head to the National Museum of Denmark, which has a vast collection of artifacts and exhibits related to Danish history and culture. It's a great place to learn more about the country's past.
• In the evening, visit the Meatpacking District, which is a trendy neighborhood with a lot of bars, restaurants, and nightlife options.

Day 3:

• Start your day by visiting the Rosenborg Castle, which is a beautiful Renaissance-style castle that was built in the 17th century. It houses the Crown Jewels and other royal treasures, as well as beautiful gardens.
• After that, head to the Carlsberg Brewery, which is one of the most famous breweries in Denmark. You can take a tour to learn more about the brewing process and taste some of their beers.
• In the evening, visit the Freetown Christiania, which is a unique neighborhood that was established by hippies in the 1970s. It has a lot of street art, alternative culture, and a relaxed atmosphere.

Day 4:

• Begin your day by visiting the Round Tower, which is a historic tower that offers panoramic views of the city. You can climb to the top using a spiral ramp instead of stairs.
• After that, head to the Amalienborg Palace, which is the official residence of the Danish royal family. You can watch the changing of the guard ceremony at noon.
• In the afternoon, visit the Botanical Garden, which is a beautiful park with a lot of plants and flowers from all over the world. It's a great place to relax and enjoy nature.

I hope this itinerary helps you plan your solo trip to Copenhagen!