Seneffe is a Walloon municipality located in the Belgian province of Hainaut. On January 1, 2006 Seneffe had a total population of 10,743. The total area is 62.77 km² which gives a population density of 171 inhabitants per km².
The Castle of Seneffe, now a museum belonging to the French Community of Belgium, is located in the municipality.
Read more about Seneffe: British Leyland