Erquelinnes is a municipality of Wallonia located in the province of Hainaut, Belgium.
Located on the border with France, where the commune of Maubeuge lies, Erquelinnes had a total resident population of 9,549, in 2006. The total area is 44.23 km2 which gives a population density of 216 inhabitants per km2.
The municipality consists of the following districts: Bersillies-l'Abbaye, Erquelinnes, Grand-Reng, Hantes-Wihéries, Montignies-Saint-Christophe, and Solre-sur-Sambre.
Wikipedia https://en.wikipedia.org/wiki/Erquelinnes
Coordinates 50°18'36.361" N 4°7'18.738" E