Krimpen aan den IJssel is a town and municipality located in the western part of the Netherlands within the province of South Holland. The municipality covers a total area of 8.95 km2 (3.46 sq mi), with approximately 1.26 km2 (0.49 sq mi) consisting of water.
As of 2021, the population of Krimpen aan den IJssel was recorded at 29,410 residents.