Explore details about location Avenue Marnix - Marnixlaan. Avenue Marnix - Marnixlaan is a location situated within the Bruxelles / Brussel alongside other areas such as Rue Jacques de Lalaing - Jacques de Lalaingstraat, Rue de l'Etendard - Standaardstraat, Rue Philippe le Bon - Filips de Goedestraat.