Noordwijk is a town and municipality in the western Netherlands, in the province of South Holland. The municipality covers an area of 51.53 square kilometers (of which 16.12 square kilometers is water). 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.