Directions from Dublin to Kilkenny:

When leaving Dublin follow signs for South East & M7.
Leave M7 at junction 11, then join M9 Motorway (signposted Waterford).
Leave the M9 at Junction 8, then merge onto the N10 (signposted Kilkenny)

Where? 

Rothe House, Parliament Street, Kilkenny. On Ireland’s Medieval Mile between St. Canice’s Cathedral and Kilkenny Castle – just five minutes’ walk from each and right across the street from the Smithwick’s Experience.