Puurs is a former municipality located in the Belgian province of Antwerp. It is located in the Flemish Region. The municipality comprises the towns of Breendonk, Liezele, Kalfort, Ruisbroek and Puurs proper. There is also the hamlet of Kalfort. On January 1, 2006, Puurs had a total population of 16,029. The total area is 33.41 km² which gives a population density of 480 inhabitants per km².
Puurs sits about 5 meters above mean sea level. Its geography shows only minor elevation differences. Puurs is mainly rural, with some low intensity industry development in the North alongside the N16 expressway. However, because of its proximity to the cities of Antwerp and Brussels and its excellent accessibility, Puurs is developing increasingly into a residential town.
Effective 1 January 2019, Puurs and Sint-Amands were merged into the new municipality of Puurs-Sint-Amands.