Holyrood Abbey is a historic church located at the end of the Royal Mile in Edinburgh, Scotland. Founded in 1128 by King David I, it served as a place of worship and a royal residence. The abbey is known for its stunning Gothic architecture and beautiful ruins, which attract many visitors each year. The abbey has significant historical importance, having hosted various royal events, including the marriage of Mary, Queen of Scots in 1565. Today, it is part of the Holyrood Palace complex and remains a popular site for tourists interested in Scotland's rich heritage.