Decauville factory in Val-Saint-Lambert

Jemeppe-sur-Meuse (Walloon: Djimepe-so-Mouze) is a town of Wallonia and a district of the municipality of Seraing, located in the province of Liège, Belgium. It was a separate municipality before the merging of municipalities in 1977. The inhabitants are about 10,000 and are called Jemeppians. This town is best known for its steel industry, and before 1960, its coal mines. The old town has three castles: Ordange Castle, Antoine Castle and Courtejoie Castle. It is also the moral center of the antoinism, at the antoinist temple.

RFC Seraing is a Belgian association football club based in Seraing in the province of Liège. They play their home games at the Stade du Pairay.

The Stade du Pairay is a football stadium in Seraing, Belgium. It is the home stadium of RFC Seraing.

Val-Saint-Lambert Abbey (French: Abbaye du Val-Saint-Lambert) was a Cistercian abbey in the Prince-Bishopric of Liège. It is situated in Wallonia in the city of Seraing on the right bank of the Meuse, in Belgium, about 13 kilometres (8.1 mi) southwest of Liege. Founded in 1202, the abbey's monks were expelled during the French Revolution. In the 19th century, the building ruins were converted into the Val Saint Lambert crystal factory. The structure is considered to be an important example of Cistercian architecture.

Grâce-Hollogne (French pronunciation: ​[ɡʁas ɔlɔɲ]; Walloon: Gråce-Hologne) is a municipality of Wallonia located in the province of Liège, Belgium. The municipality is effectively a part of the greater Liège conurbation, separated from Liège city centre by the municipality of Saint-Nicolas. Included within its boundaries is Liège Airport. On 1 January 2006 Grâce-Hollogne had a total population of 21,753. The total area is 34.24 km2, which gives a population density of approximately 635 inhabitants per km2.

Seraing (French pronunciation: [səʁɛ̃] (listen); Walloon: Serè) is a city and municipality of Wallonia located in the province of Liège, Belgium. The municipality consists of the following districts: Boncelles, Jemeppe-sur-Meuse, Ougrée, and Seraing. With Liège, Herstal, Saint-Nicolas, Ans, and Flémalle, it forms the greater Liège agglomeration (600,000 inhabitants). To the south of Seraing are the Condroz and the Ardennes regions. In addition to its steel factories, Seraing is home to the crystal manufacture Val Saint Lambert, which has been operating on the site of an old Cistercian abbey since 1826. The site of the Arcelor steel company, previously known as Cockerill-Sambre, is the former summer residence for the Prince-Bishopric of Liège.

The Fort de Flémalle is one of twelve forts built around Liège, Belgium, in the late 19th century. The overall Fortified Position of Liège was a constituent part of the country's National Redoubt. Fort de Flémalle was built between 1881 and 1884 according to the plans of General Henri Alexis Brialmont. Contrasting with the French forts built in the same era by Raymond Adolphe Séré de Rivières, the fort was built exclusively of unreinforced concrete, a new material, rather than masonry. The fort was heavily bombarded by German artillery in the Battle of Liège. Attacked in both World War I and World War II, the fort has been preserved as a museum.

Flémalle (French pronunciation: ​[flemal]; Walloon: Flémåle) is a municipality of Wallonia located in the province of Liège, Belgium. On January 1, 2006, Flémalle had a total population of 25,140. The total area is 36.68 km² which gives a population density of 685 inhabitants per km².

The Phenix Works is a steel working factory located in Flémalle-Haute, Liège, Belgium. The business was established in 1905 by Paul Borgnet and became part of SA Phenix Work in 1911. The works specialised in coated steels, such as galvanised, tin plate etc. Acquired by Cockerill-Ougrée-Providence (1969) and later absorbed by its successor Cockerill-Sambre (1989), as of 2016 the works is part of ArcelorMittal Liège, the Belgian subsidiary of ArcelorMittal.

Hollogne-aux-Pierres (Walloon: Hologne-ås-Pires) is a village of Wallonia and a district of the municipality of Grâce-Hollogne, located in the province of Liège, Belgium. It was a municipality of its own before its fusion with Grâce-Berleur on July 10, 1970. It is in this area that the police, on 30 July 1950, opened fire on the inhabitants of Grâce-Berleur, killing four people. This sad event is the tragic element which led to the end of the Royal Question.

Mons-lez-Liege (Walloon: Mont-dlé-Lidje) is a village of Wallonia and a district of the municipality of Flémalle, located in the province of Liège, Belgium. The town was also known under the name of Mons-Crotteux until 1977. It was a separate municipality before the merging of municipalities in 1977. The hamlet of Cahottes was part of Horion-Hozémont until then, but was transferred to Mons-lez-Liège. It is the birthplace of Louis Antoine, in 1846. He founded the Antoinism in Jemeppe-sur-Meuse in 1910.

Saint-Nicolas (French pronunciation: ​[sɛ̃ nikɔla]; Walloon: Sint-Nicolai-dlé-Lidje) is a municipality of Wallonia located ine the province of Liège, Belgium. It is effectively a part of the greater Liège conurbation stretching west from Liège city centre towards Liège Airport. As of January 1, 2006 Saint-Nicolas had a total population of 22,666. The total area is 6.84 km2 which gives a population density of 3,313 inhabitants per km2. It has the highest population density of any Belgian municipality outside the Brussels-Capital Region. Since 1977 the municipality consists of the following districts: Montegnée, Saint-Nicolas, and Tilleur.