Zwammerdam
Zwammerdam is a town in the Dutch province of South Holland. It is a part of the municipality of Alphen aan den Rijn, and lies about 6 km southeast of Alphen aan de Rijn.
In 2001, the town of Zwammerdam had 1709 inhabitants. The built-up area of the town was 62 km², and contained 484 residences.
The statistical area "Zwammerdam", which also can include the surrounding countryside, has a population of around 1810.
Zwammerdam was a separate municipality until 1964, when it was divided between Alphen aan den Rijn and Bodegraven. The town is the current home of the Jostiband Orchestra.
