Noordwijk is a town and municipality in the west of the Netherlands, in the province of South Holland. The municipality covers an area of 74.94 km² of which 16.57 km² is water and had a population of 42,859 in 2019.
On 1 January 2019, the former municipality of Noordwijkerhout became part of Noordwijk.
Besides its beaches, Noordwijk is also known for its bulb flower fields. It is located in an area called the "Dune and Bulb Region".
Noordwijk is also the location of the headquarters for the European Space Research and Technology Centre, part of the European Space Agency. ESA's visitors' centre Space Expo is a permanent space exhibition.