Northern Ireland and the Republic of Ireland have different currencies.
In the Republic of Ireland the currency used is the Euro and in Northern Ireland the currency used is the Pound Sterling.
Nollaig Shona Dhuit is Merry Christmas in Irish Gaelic, which is still taught in schools in Eire, the Irish Republic. Northern Ireland is part of the United Kingdom. Christmas in Ireland is a traditional holiday in both parts of the island, and very much a family and religious celebration!
The main river in Ireland is the River Shannon, 386 km (240 mi), the longest river in either Ireland or Great Britain, which separates the boggy midlands of Ireland from the West of Ireland. The river develops into three lakes along its course, Lough Allen, Lough Ree, and Lough Derg. Of these, Lough Derg is the largest.