In Ireland, there are two currencies depending on the region:

1. Republic of Ireland : The official currency is the euro (€), which is divided into 100 cents. Notes come in denominations of €5, €10, €20, €50, €100, €200, and €500. Coins are available in denominations of €2, €1, 50¢, 20¢, 10¢, 5¢, 2¢, and 1¢

2. Northern Ireland : The official currency is the pound sterling (£), which is divided into 100 pence. Notes are £5, £10, £20, and £50. Coins are available in denominations of 1p, 2p, 5p, 10p, 20p, 50p, £1, and £2

Both currencies are used alongside each other, with the euro being more common in the Republic of Ireland and the pound sterling being more common in Northern Ireland