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.
In 1922, the Butler family - namely Lord and Lady Ossory - were residents of the castle. The Irish Civil war, raged around them. Lord Ossory memorably wrote that he was woken at the "unreasonable hour of 5.30am" by his butler, who brought the news that Republican forces had seized and occupied his castle.
The Butler family handed Kilkenny Castle over to the people of Kilkenny in 1967 – for £50!
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's most one sided All-Ireland finals win was in 2008 when they beat Waterford by 23 points with a scoreline of Kilkenny 3-30 to 1-13 Waterford
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