Clignancourt is a neighborhood located in the 18th arrondissement of Paris, France. It is known for its vibrant atmosphere and diverse community. One of its most famous attractions is the Marché aux Puces de Saint-Ouen, one of the largest antique markets in the world, where visitors can find a variety of vintage items and unique treasures. The area is also home to the Basilique du Sacré-Cœur, a stunning basilica that sits atop the Butte Montmartre. Clignancourt offers a mix of residential and commercial spaces, making it a lively place for both locals and tourists to explore.