Killarney, a picturesque town in County Kerry, Ireland, uses the Euro (€) as its official currency. As part of the Republic of Ireland—a member of the European Union since 1973 and the Eurozone since 1999—the town operates entirely with euro banknotes and coins.
Whether you're exploring Killarney National Park, touring the Ring of Kerry, or enjoying a session in a traditional pub, you'll be transacting in euros.