Co Kilkenny, in southeastern Ireland, is known for its medieval monastic ruins. These include the 12th-century Kells Priory, an Augustinian complex surrounded by fortified walls. The county capital, also called Kilkenny, has more medieval buildings, including Kilkenny Castle, remodelled in Victorian times and set in extensive grounds. St. Canice’s Cathedral has a 9th-century round tower offering panoramic views. The population was 99,232 at the 2016 census.