Nowadays, Kilkenny Castle is effectively three-sided. One of the four walls - and one of the great round drum towers - has disappeared over time.
Where did it go? Well, the Eastern wall and the North-Eastern tower were blown up during the 1650 Cromwellian siege of Ireland.
The gravestone of Daniel O’Connell in Glasnevin Cemetery, Dublin is made from Kilkenny black marble, and the stone was also used in the construction of Cobh Cathedral in Cork
The elevation of Kilkenny is 60 metres (200 ft) above sea level. The area of Kilkenny borough is 3.74 square kilometres (1.44 sq mi). Kilkenny is the smallest city in Ireland and although all cities in Ireland are by the coast or along a river Kilkenny is the only city that is not tidal.
Kilkenny, an inland county, is bordered by counties Wexford, Carlow, Laois, Waterford, and Tipperary. Geologically speaking it is mostly limestone, with areas of black marble around Kilkenny city. The rivers Nore, Suir, and Barrow flow through it.
Irish legend describes Dunmore Cave, seven miles north of Kilkenny, as one of Ireland’s darkest places and the site where the monster Luchtigen 'The Lord of the Mice' was killed.
The last witch in Ireland, reputedly Dame Alice Kyteler, was born in Kilkenny in 1280. Widowed four times, she was accused of poisoning all of her husbands. Although her former home was burned down, you can now dine at Kyteler’s Inn on the site of the house