Visiting Oxford Castle and Prison Oxford Castle is a large structure that is currently in a state of partial ruin and may be found on the outskirts of modern-day Oxford in Oxfordshire, England. The original timber motte and bailey castle's moat and bailey had been replaced with a stone building by the end of the 12th century or the beginning of the 13th century, and the castle had developed into an important strategic bastion in the Anarchy fight.Exploring Oxford Castle and Oxford Prison...