Saint-Denis Abbey is a historic church located in Saint-Denis, a suburb of Paris, France. Founded in the 5th century, it is known as the burial site of many French kings and has played a significant role in the history of the French monarchy. The abbey is an important example of Gothic architecture, featuring stunning stained glass windows and intricate sculptures. The abbey was originally built over the tomb of Saint Denis, the patron saint of France. It underwent several renovations and expansions, particularly in the 12th century, when it became a model for other Gothic cathedrals. Today, Saint-Denis Abbey is a UNESCO World Heritage site and attracts visitors interested in its rich history and architectural beauty.