If you are a citizen of a Nordic country (Finland, Iceland, Norway or Sweden), you are free to enter, live, study and work in Denmark.
You do not need to apply for neither an EU residence document nor a residence and work permit.
You can enter Denmark without a passport. However, you must always be able to identify yourself by means of, for example, a driving licence or a national identity card.
The video below is a guide to you as a Nordic citizen on which steps you need to follow if you are staying in Denmark for more than 3 months.
On Info Norden you can read about moving, working, and studying in the Nordic countries. Info Norden is the information service of the Nordic Council of Ministers.
Øresunddirekt is an information service that conveys public information from the authorities to the inhabitants and the business community in the Öresund region.
EURES, which stands for European Employment Services, is a European network of employment services that provides a range of services including job search assistance, information on living and working conditions, and career guidance for both jobseekers and employers.