At the creation of Belgium in 1831, there were 2,739 municipalities in the country, which had fallen to 2,663 municipalities by 1961. Following a series of decisions and actions, carried out in 1975, 1983 and 2019, the fusion of the Belgian municipalities reduced the national total to 581 municipalities. Of these, the following is a list of the 262 municipalities in the Wallonia region of Belgium, showing the one or more municipalities that were fused into each new entity.
The arrondissement of Charleville-Mézières is an arrondissement of France in the Ardennes department in the Grand Est region. It has 157 communes. Its population is 158,005 (2016), and its area is 1,825.3 km2 (704.8 sq mi).
The arrondissement of Sedan is an arrondissement of France in the Ardennes department in the Grand Est region. It has 72 communes. Its population is 58,136 (2016), and its area is 792.2 km2 (305.9 sq mi).
The arrondissement of Châlons-en-Champagne is an arrondissement of France in the Marne department in the Grand Est region. It has 150 communes. Its population is 109,916 (2016), and its area is 2,612.4 km2 (1,008.7 sq mi).
The arrondissement of Laon is an arrondissement of France in the Aisne department in the Hauts-de-France region. It has 240 communes. Its population is 157,371 (2016), and its area is 2,175.3 km2 (839.9 sq mi).
The arrondissement of Soissons is an arrondissement of France in the Aisne department in the Hauts-de-France region. It has 164 communes. Its population is 107,744 (2016), and its area is 1,342.3 km2 (518.3 sq mi).
The arrondissement of Vervins is an arrondissement of France in the Aisne department in the Hauts-de-France region. It has 160 communes. Its population is 72,157 (2016), and its area is 1,657.8 km2 (640.1 sq mi).
The arrondissement of Senlis is an arrondissement of France in the Oise department in the Hauts-de-France region. It has 132 communes. Its population is 281,760 (2016), and its area is 1,344.2 km2 (519.0 sq mi).
The arrondissement of Avesnes-sur-Helpe is an arrondissement of France in the Nord department in the Hauts-de-France region. It has 151 communes. Its population is 230,372 (2016), and its area is 1,407.5 km2 (543.4 sq mi).
The arrondissement of Cambrai is an arrondissement of France in the Nord department in the Hauts-de-France region. It has 116 communes. Its population is 162,045 (2016), and its area is 901.6 km2 (348.1 sq mi).
The arrondissement of Pontarlier is an arrondissement of France in the Doubs department in the Bourgogne-Franche-Comté region. It has 147 communes. Its population is 112,913 (2016), and its area is 2,050.5 km2 (791.7 sq mi).
The arrondissement of Vesoul is an arrondissement of France in the Haute-Saône department in the Bourgogne-Franche-Comté region. It has 346 communes. Its population is 127,982 (2016), and its area is 3,453.9 km2 (1,333.6 sq mi).
The arrondissement of Dole is an arrondissement of France in the Jura department in the Bourgogne-Franche-Comté region. It has 190 communes. Its population is 106,246 (2016), and its area is 1,769.5 km2 (683.2 sq mi).
The canton of Frasne is an administrative division of the Doubs department, eastern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Frasne.
The canton of Argonne Suippe et Vesle is an administrative division of the Marne department, northeastern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Sainte-Menehould.
