Which city is a Designit headquarters located in that is also the most populous city in the Nordic countries?
Designit: Designit (imperative mood, meaning 'design it' and pronounced 'dɪˈzʌɪn ɪt') is an international strategic design firm founded in Aarhus, Denmark, in 1991 by Anders Geert Jensen and Mikal Hallstrup. Designit:  Designit headquarters is located in Copenhagen, Denmark, with offices in Aarhus, Berlin, Barcelona, Stockholm, Lima, Madrid, Medellín, Munich, Oslo, San Francisco, Tel Aviv, Tokyo and New York City.
i don't know