The Zuidplaspolder is a polder in the western Netherlands, located northeast of Rotterdam, Zuid-Holland,[1] neighbouring settlements such as Zuidplas, Zevenhuizen, Waddinxveen, Moerkapelle, Gouda, Moordrecht, and Nieuwerkerk aan den IJssel. It reaches a depth of 6.76 metres (22 feet 2 inches) below average sea level. This makes it, along with Lammefjord in Denmark, the lowest point of the European Union.