Tessenderlo is a former municipality in the Belgian province of Limburg. It is where the three Belgian provinces of Limburg, Flemish Brabant an…Tessenderlo is a former municipality in the Belgian province of Limburg. It is where the three Belgian provinces of Limburg, Flemish Brabant and Antwerp meet at the front gate of the Averbode Abbey. The municipality Tessenderlo encompasses the villages of Tessenderlo proper, Schoot, Engsbergen, Hulst and Berg. On January 1, 2006, Tessenderlo had a total population of 16,811. The total area is 51.35 km which gives a population density of 327 inhabitants per km. The name Tessenderlo means " the forest of the Taxandrians".