Port-Royal des Champs is a historical site located in the Île-de-France region of France, known for its significance in the Jansenist movement during the 17th century. Originally a monastery, it became a center for religious and philosophical thought, attracting notable figures like Blaise Pascal and Antoine Arnauld. Today, the site features the remains of the abbey and a museum that showcases its rich history. Visitors can explore the beautiful gardens and learn about the impact of Jansenism on French society and the Catholic Church. The area is a peaceful retreat, reflecting its monastic heritage.