Noordwijk is a town and municipality in the western Netherlands, in the province of South Holland. The municipality covers an area of 51.53 km² (of which 16.12 km² is water) and had a population of 24,707 in May 2006.
The municipality of Noordwijk consists of the communities Noordwijk aan Zee and Noordwijk-Binnen, separated by a narrow green belt.
Besides its beaches, Noordwijk is also known for its bulb flower fields. It is located in an area called the "Dune and Bulb Region" (Duin- en Bollenstreek).
Noordwijk is also the location of the headquarters for the European Space Research and Technology Centre (ESTEC), part of the European Space Agency (ESA). ESA's visitors' centre Space Expo is a permanent space exhibition