Explore details about location Place de la Démi-Lune - Halvemaanplein. Place de la Démi-Lune - Halvemaanplein is a location situated within the Woluwe-Saint-Pierre - Sint-Pieters-Woluwe alongside other areas such as Avenue des Alouettes - Leeuwerikenlaan, Avenue de Broqueville - de Broquevillelaan, Clos Alberto Santos Dumont.