Holyrood Abbey is a ruined abbey of the Canons regular in Edinburgh. The abbey was founded in 1128 by King David. During the 15th century, the abbey guesthouse was developed into a royal residence, and after the Scottish Reformation the Palace of Holyroodhouse was expanded further. The abbey church was used as a parish church until the 17th century, and has been ruined since the 18th century.
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