The best area to stay in Argenteuil is the city centre, particularly around the Basilique Saint-Denys and the main commercial streets.This central area is the most convenient for visitors. It's well-connected by public transport, especially the train station, which offers quick access to Paris. You'll find a good selection of shops, restaurants, and local services here, making it easy to manage your daily needs. The Basilique Saint-Denys is a prominent landmark, and the nearby quays along the Seine offer pleasant walks.For couples looking for a relaxed base with good transport links to Paris, the city centre is a fine choice.