St Quintins CastleLlanblethian Castle - Credit: Wikimedia Commons
St Quintins Castle (also known as St Quentins Castle and Llanblethian Castle, ) is a castle located in the village of Llanblethian, Cowbridge, Wales. It is a scheduled monument and a Grade II* listed building and is under the care of Cadw.St Quentins Castle, Llanblethian Gatehouse Gazetteer, 5 April 2016. The site was first occupied with a defensive structure in about 1102 and the gatehouse and further building work took place around 1312. It was later used as a prison and was reported as being in a ruinous state by 1741. Read more on Wikipedia
Source: en.wikipedia.org