Currency
In Ireland, there are two currencies you'll need depending on where you travel. The euro is used in the Republic of Ireland. One euro consists of 100 cent. Notes are €5, €10, €20, €50, €100, €200 and €500. Coins are 5c, 10c, 20c, 50c, €1 and €2.
In Northern Ireland, pound sterling is the official currency. One pound sterling consists of 100 pence. Notes are £5, £10, £20, and £50. Coins are 1p, 2p, 5p, 10p, 20p, 50p, £1 and £2.