Lontzen is a municipality located in the Belgian province of Liège. On January 1, 2006 Lontzen had a total population of 5,071. The total area is 28.73 km² which gives a population density of 177 inhabitants per km². In the 19th century a Low Franconian dialect was widely spoken in Lontzen. The village of Walhorn is in the municipality of Lontzen.… (More on Lontzen)