Today's Christiania is a neighborhood in the city of Oslo, Norway. It is located in the borough of Gamle Oslo and is known for its colorful buildings and vibrant street life. The name of the area is derived from the former name of Oslo, Christiania, which was used until 1925. The area is also home to a large number of artists, musicians, and other creative types. It is a popular tourist destination and has become a symbol of the city's culture and history.