Donegal, Leitrim, Sligo, Mayo, Galway, Clare, Kerry or Cork.
It is in county Donegal, in the Republic of Ireland. There is a Frosses Road in county Antrim, which is in Northern Ireland.
Letterkenny is in the north of Ireland, but not in Northern Ireland. It is in the Republic of Ireland, which people often incorrectly refer to as Southern Ireland. Letterkenny is in county Donegal, which is the northernmost county in Ireland, but is actually not part of what is known as Northern Ireland.
Knock is in East Belfast. The other 'Knock' (with the holy shrine) is not in Northern Ireland it is in the Republic of Ireland in County Mayo.
Killarney is in County Kerry
County Donegal in the Republic of Ireland and county Derry in Northern Ireland border Lough Foyle.
The Republic of Ireland.
No. Limerick is a county and a city in the midwest of Ireland. Shannon is a town in county Clare in the west of Ireland and it is the name of a river that flows through the centre of Ireland. Its source is near but not in Northern Ireland, and it flows into the Atlantic in the midwest of Ireland, passing through Limerick city and close to the town of Shannon.
No. County Galway is in the Republic of Ireland. The Republic of Ireland is not part of the United Kingdom.
No. Shannon is a town in County Clare in the Republic of Ireland
No county Clare is part of the Republic of Ireland and is in the province of Munster.
Shannon is a town in County Clare in the Republic of Ireland. Shannon Airport is near the town. The river Shannon is also in the Republic of Ireland.
No. Kilkerry is in the county of Kerry, in the south of the Republic of Ireland. You can see this if you search for Kilkerry on Google Maps.