If you are resident in Sweden but working in another Nordic country, there is detailed information available to help you with your taxation issues at nordisketax.net.
Nordisk eTax is for you if you are resident in a Nordic country and have income or assets in another Nordic country. Nordisk eTax has been developed as a result of collaboration between the Nordic Council of Ministers and the tax administrations of Sweden, Denmark, Finland, Norway and Iceland. These tax administrations are jointly responsible for the contents.
If you are resident in Sweden but have income or assets in another Nordic country, there is detailed information available to help you with your taxation issues at nordisketax.net.