Val-d'Oise is a department located in the Île-de-France region of northern France. It was created in 1968 and is named after the Oise River. The capital city is Pontoise, and the area is known for its mix of urban and rural landscapes, featuring parks, forests, and historical sites. The department is well-connected to Paris, making it a popular choice for commuters. It includes several towns and cities, such as Argenteuil and Cesson, and offers various cultural attractions, including museums and theaters. Val-d'Oise is also home to the Parc naturel régional du Vexin français, which showcases the region's natural beauty.