West part of the island including counties Galway, Leitrim, Mayo, Roscommon, Sligo.
East part of the island including counties Carlow, Dublin, Wexford, Wicklow, Louth, Kildare, Meath, Westmeath, Kilkenny, Laois, Offaly, Longford.
South part of the island including counties Clare, Cork, Kerry, Limerick, Tipperary, Waterford.
North part of the island including counties Cavan, Donegal and Monaghan in the Republic of Ireland and counties Antrim, Armagh, Down, Derry, Fermanagh, Tyrone.