Charleroi is a city and a municipality of Wallonia, located in the province of Hainaut, Belgium. It is the largest city in both Hainaut and Wallonia. The city is situated in the valley of the Sambre,
Charleroi Hôtel de ville vu de la place Charles II 2019 06 01
The Sillon industriel describes a coal-rich region running through Belgium which emerged as the core of the country's heavy industry during the Industrial Revolution.