The Arrondissement of Thuin (; ) is one of the seven administrative arrondissements in the Walloon province of Hainaut, Belgium. The Administrative Arrondissement of Thuin consists of the following municipalities: Since 2019 Anderlues Beaumont Chimay Erquelinnes Froidchapelle Ham-sur-Heure-Nalinnes Lobbes Merbes-le-Château Momignies Sivry-Rance Thuin Before 2019 Anderlues Beaumont Binche Chimay Erquelinnes Estinnes Froidchapelle Ham-sur-Heure-Nalinnes Lobbes Merbes-le-Château Momignies Morlanwelz Sivry-Rance Thuin The municipalities of Binche, Estinnes and Morlanwelz are detached from the Arrondissement on January 1, 2019 to create the new Arrondissement of La Louvière. References Thuin