The Zwin is a nature reserve at the North Sea coast, on the Belgian-Dutch border. It consists of the entrance area of a former tidal inlet which during the Middle Ages connected the North Sea with the ports of Sluis and Bruges inland.
Waterloo is a municipality in the province of Walloon Brabant, Belgium, which in 2011 had a population of 29,706 and an area of 21.03 km².
The Semois (Simwès in Walloon, often under elided form Smwès; Semoy, Sesbach in German, Setzbaach inLuxemburgish of Arlon; and known as the Semoy in France) is a river flowing from the Ardennes uplands of Belgium andFrance towards the River Meuse, of which it is a right tributary.
The Moselle is a river flowing through France, Luxembourg, and Germany. It is a left tributary of the Rhine, which it joins at Koblenz. A small part of Belgium is also drained by the Moselle through the Sauer and the Our.
Mons is a Belgian city and municipality, and the capital of the province of Hainaut. The Mons municipality includes the former communes of Cuesmes, Flénu, Ghlin, Hyon, Nimy, Obourg, Baudour, Jemappes, ...