Important Bird Areas of the Netherlands

The Oostvaardersplassen () is a nature reserve in Flevoland, the Netherlands, managed by the Staatsbosbeheer (state forestry service). Covering about in the province of Flevoland, it is an experiment in rewilding. It is in a polder created in 1968; by 1989, its ecological interest had resulted in its being declared a Ramsar wetland. It became part of Nieuw Land National Park when that was established in 2018.

protected area by the habitats directive in Drenthe, Netherlands