Noordwijkerhout is a town and municipality in the western Netherlands, in the province of South Holland. The municipality covers an area of 23.40 km² (of which 0.80 km² water) and had a population of 15,121 in May 2006. The town is in the bulb growing region (the Duin- en Bollenstreek) of the Netherlands, famed for its tulips. The municipality of Noordwijkerhout also includes the following towns, villages and townships: De Zilk.