Aubange

The Belgium–France border, or more commonly the Franco-Belgian border, separates France and Belgium and is 620 km (390 mi) long. Part of it is defined by the Lys river. The western end is at the North Sea (51°5′22″N 2°32′43″E near De Panne and Bray-Dunes). The eastern end is at the Belgium–France–Luxembourg tripoint (at 49°32′46″N 5°49′5″E near Athus and Mont-Saint-Martin). The straight distance between these points is 289 km (180 mi). Since 1995 Belgium and France have been parts of the Schengen Area. This means there are no permanent border controls at this border, but there have been temporary controls. The Belgian side of the border is shared by, from north to south, the provinces of West Flanders (Flemish Region) and Hainaut, Namur and Luxembourg (Walloon Region). The French side of the border is shared by, from north to south, the departments of Nord and Aisne (region of Hauts-de-France) and Ardennes, Meuse and Meurthe-et-Moselle (region of Grand Est). The limits of the border are outlined in the 1820 Treaty of Kortrijk, agreed between France and the then-United Kingdom of the Netherlands. Belgium inherited the border upon its independence, which consists of a number of border posts. Maintenance of and disputes concerning the border are managed by a mixed Franco-Belgian border delimitation commission, which is convened when required. A commission was convened in 2000 concerning the maintenance of the border posts between France and the Belgian province of West Flanders.On 4 May 2021, a Belgian farmer moved one of the border posts which was in the path of his tractor, inadvertently shifting the Belgian border approximately 2.2 m (7.2 ft) into France.

The canton of Mont-Saint-Martin is an administrative division of the Meurthe-et-Moselle department, northeastern France. Its borders were modified at the French canton reorganisation which came into effect in March 2015. Its seat is in Mont-Saint-Martin. It consists of the following communes:

Longeau (Luxembourgish: Laser) is a village of Wallonia in the municipality and district of Messancy, located in the province of Luxembourg, Belgium.

Messancy (French pronunciation: [mεsɑ̃si]; German: Metzig; Luxembourgish: Miezeg; Walloon: Messanceye) is a municipality of Wallonia located in the province of Luxembourg, Belgium.

Longlaville (French pronunciation: [lɔ̃lavil]; German: Longsdorf; Luxembourgish: Longsduerf) is a commune in the Meurthe-et-Moselle department in north-eastern France.

Athus (German: Athem, Luxembourgish: Attem, Walloon: Atu) is a part of Aubange city Wallonia and a district of the municipality of Aubange, located in the province of Luxembourg, Belgium. It is located in the far south of the country, just near the borders with France and Luxembourg. It is a French speaking city, though the traditional language is Luxembourgish. The poet and novelist Hubert Juin (1926–1987) was born in Athus. The city was famous during the 19th and 20th century because of its steelworks factory which closed in the 1970s.

Mont-Saint-Martin (French pronunciation: [mɔ̃ sɛ̃ maʁtɛ̃] ; German: Martinsberg; Luxembourgish: Mäertesbierg) is a commune in the Meurthe-et-Moselle department in north-eastern France. It is part of the urban area of Longwy.

FC Rodange 91 is a football club based in Rodange, Luxembourg.

Saulnes (French pronunciation: [so(l)n]; Luxembourgish: Zounen/Zongen) is a commune in the Meurthe-et-Moselle department in north-eastern France.

Rodange (German: Rodingen) is a town in the commune of Pétange, in south-western Luxembourg. It lies next to the border with Belgium, across which is the town of Athus. The town is to the south-west of the town of Pétange and to the west of the smaller town of Lamadelaine. As of 2010, Rodange has a population of 5,505, making it the 18th-most populous town in Luxembourg. The town has a railway station served by CFL trains. Rodange is situated on Line 70, which connects the south-west of the country to Luxembourg City; at Rodange, the line branches, and connects to both Athus and the French town of Longuyon (via Longwy).

Rodange railway station (Luxembourgish: Gare Rodange, French: Gare de Rodange, German: Bahnhof Rodingen) is a railway station serving Rodange, in the commune of Pétange, in south-western Luxembourg. It is operated by Chemins de Fer Luxembourgeois, the state-owned railway company, and served by both CFL trains and those of the Belgian state operator, NMBS/SNCB. The station is situated on Line 70, which connects the south-west of the country to Luxembourg City; at Rodange, the line branches, and connects to both the Belgian town of Athus and the French town of Longuyon (via Longwy). It is also located on Line 80, and is the only Luxembourgian station served by that line.

Lamadelaine (Luxembourgish: Rolléng; German: Rollingen) is a town in the commune of Pétange, Luxembourg. As of 2005, the town has a population of 2,335.