Deinze (Dutch pronunciation: [ˈdɛi̯nzə]) is a city and a municipality in the Belgian province of East Flanders. It comprises the city of Deinze, and the towns of Astene, Bachte-Maria-Leerne, Gottem, Grammene, Hansbeke, Landegem, Meigem, Merendree, Nevele, Petegem-aan-de-Leie, , Sint-Martens-Leerne, Vinkt, Vosselare, Wontergem, and Zeveren. On 1 January 2022, Deinze had a population of 44,315. The municipality's total area is 128.03 km2 (49 sq mi), giving a population density of 342 inhabitants per km². On 1 January 2019, the municipality of Nevele was merged into Deinze.