Can the euro also be used along side the kroner?

In Denmark, the euro is not an official currency, as the country uses the Danish krone (DKK) as its legal tender. While businesses and some tourist areas may accept euros, it is not widely used, and transactions in kroner are preferred. Denmark has opted to remain outside the eurozone, maintaining its monetary independence. Therefore, while both currencies may coexist in some contexts, the krone is the primary currency for official transactions.