Which country uses crowns for currency?

Six countries currently have a crown as their currency. They are:

CountriesCurrencyISO 4217 codeCzech RepublicCzech korunaCZKDenmark (and Greenland)Danish kroneDKKFaroe IslandsFaroese krónaNone (DKK)IcelandIcelandic krónaISKNorway and dependenciesNorwegian kroneNOKSwedenSwedish kronaSEK