Killaloe

On the Shannon where it leaves Lough Derg, facing Ballina across the bridge. Brian Boru's seat of Kincora was here, and the town was the centre of the Dál gCais before they took Cashel and the high kingship with it.

• Treaty Stone, Limerick · The block on which the 1691 Treaty was supposedly signed — its promises to Catholics broken so fast that Limerick is still 'the city of the violated treaty'.

All of these are pinned on the Hidden Ireland map.