Christiania may refer to: Businesses and organizations. Christiania Bank, a former Norwegian bank. Christiania Theatre, formerly in Oslo, Norway. Christiania Norwegian Theatre, merged in 1863. Christiania Spigerverk, a former Norwegian steel company. Places. Christiania or Kristiania, official names of Oslo (1624–1924), nickname (from 1925) for the part of Oslo that was founded by King Christian IV. Christiania Islands, Antarctica. Christiania Township, Jackson County, Minnesota, U.S. Freetown Christiania, or Christiania, a neighborhood in Copenhagen, Denmark. Other uses.
https://en.wikipedia.org/wiki/Christiania