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, 2019, and 2024-2025 the fusion of the Belgian municipalities reduced the national total to 565 municipalities. Of these, the following is a list of the 261 municipalities in the Wallonia region of Belgium, showing the one or more municipalities that were fused into each new entity.
