Ottignies-Louvain-la-Neuve is a Walloon municipality located in the Belgian province of Walloon Brabant. On January 1, 2006, Ottignies-Louvain-la-Neuve had a total population of 29,521. The total area is 32.96 km² which gives a population density of 896 inhabitants per km².

Ottignies-Louvain-la-Neuve is a Walloon municipality located in the Belgian province of Walloon Brabant. On January 1, 2006, Ottignies-Louvain-la-Neuve had a total population of 29,521. The total area is 32.96 km² which gives a population density of 896 inhabitants per km².