The Abbey of Saint-Denis is a historic monastery located in the northern suburbs of Paris, France. Founded in the 7th century, it became the burial site for French kings and an important center of art and architecture during the Middle Ages. The abbey is renowned for its stunning Gothic architecture, particularly the work of Abbot Suger, who initiated its reconstruction in the 12th century. The abbey played a significant role in the development of the Gothic style, influencing many cathedrals across Europe. It houses numerous relics and artworks, including the famous St. Denis, the patron saint of France. Today, the site is a UNESCO World Heritage site and a popular tourist destination.