Arbroath Abbey is a historic ruin located in Arbroath, Scotland. Founded in 1178 by King William the Lion, it was established as a Cistercian monastery. The abbey is known for its impressive architecture and played a significant role in the religious and political life of medieval Scotland. The abbey is also famous for the signing of the Declaration of Arbroath in 1320, which asserted Scotland's independence from England. Today, it is a popular tourist attraction, offering visitors a glimpse into Scotland's rich history and the enduring legacy of its monastic past.