1. Denmark: The Danish krone (DKK) is the official currency of Denmark. It is issued by the National Bank of Denmark.
2. Czech Republic: The Czech koruna (CZK) is the official currency of the Czech Republic. It is issued by the Czech National Bank.
3. Sweden: The Swedish krona (SEK) is the official currency of Sweden. It is issued by the Sveriges Riksbank.
4. Norway: The Norwegian krone (NOK) is the official currency of Norway. It is issued by the Norges Bank.
These countries have their own monetary policies and exchange rates for their respective currencies.