what currency is used in ireland

The currency used in Ireland is the euro. In the Republic of Ireland, the euro is the official currency, with banknotes in denominations of €5, €10, €20, €50, €100, €200, and €500, and coins in denominations of 5c, 10c, 20c, 50c, €1, and €2. Northern Ireland, as part of the United Kingdom, uses pound sterling as its official currency, with banknotes in denominations of £5, £10, £20, and £50, and coins in denominations of 1p, 2p, 5p, 10p, 20p, 50p, £1, and £2.