Explore details about location Willy Coppensstraat - Rue Willy Coppens. Willy Coppensstraat - Rue Willy Coppens is a location situated within the Watermael-Boitsfort - Watermaal-Bosvoorde alongside other areas such as Rue Théophile Vander Elst - Théophile Vander Elststraat, Place Léopold Wiener - Léopold Wienerplein, Rue Edouard Olivier.