Republic of Ireland

The euro is the local currency of the Republic of Ireland. 
One euro consists of 100 cent. 
Notes are €5, €10, €20, €50, €100, €200 and €500. 
Coins are €1, €2, 50c, 20c, 10c, 5c, 2c and 1c. 

Northern Ireland

In Northern Ireland, sterling is the local currency. 
One pound sterling consists of 100 pence. 
Notes are £50, £20, £10, £5. 
Coins are £2, £1, 50p, 20p, 10p, 5p, 2p, 1p.

Credit Cards 

Any credit cards that bear the Visa, MasterCard or American Express symbol will be widely accepted in Ireland. Visitors with other cards should ask in advance or check if that card is on display where they wish to use it. 

Banks 

Banks in Ireland generally open around 9.30am and close about 4.30pm Monday through Friday; 5pm on Thursday. ATM (cash) machines are located at most banks and accept most credit and debit cards.

Traveller’s Cheques

Traveller’s Cheques are no longer widely accepted currency on the island of Ireland.