|— Municipality —|
|• Total||62.50 km2 (24.13 sq mi)|
|• Land||50.85 km2 (19.63 sq mi)|
|• Water||11.65 km2 (4.50 sq mi)|
|Population (1 January 2007)|
|• Density||504/km2 (1,310/sq mi)|
|Source: CBS, Statline.|
|Time zone||CET (UTC+1)|
|• Summer (DST)||CEST (UTC+2)|
An exceedingly affluent suburb of The Hague, Wassenaar lies 10 km (6 mi) north of that city on the N44 highway near the North Sea coast. It is part of the Haaglanden region. The municipality covers an area of 62.50 km2 (24.13 sq mi), of which 11.65 km2 (4.50 sq mi) is covered by water. Inhabitants of Wassenaar are called Wassenaarders.
It is known[by whom?] that a 12th century Romanesque church in Wassenaar lies on the spot where the Northumbrian missionary Willibrord once landed in the Netherlands; the high dunes to the west were not formed until later.
Wassenaar long remained an unremarkable little town, known only as the home of the House of Wassenaer. It only began to gain notoriety in the 19th century when Louis Bonaparte ordered the construction of the Heerweg ("Army Road") between The Hague and Leiden, which forms the current Rijksstraatweg. In approximately 1840, Prince Frederik had the De Paauw (Peacock) palace built, where he lived for many years; it now serves as the city hall of Wassenaar.
With the construction of the railway between Rotterdam, The Hague though Wassenaar towards its final destination the coastal area of Scheveningen in 1907, the course of which now forms the Landscheidingsweg. Wassenaar became attractive as a residence for wealthy people from Rotterdam.
On one of the main routes to the Wassenaarseslag, the main beach for Wassenaarders, a World War II bunker can be found. For safety reasons and the instability of the structure, it was sealed off to prevent entrance.
Wassenaar today 
Wassenaar is, as it has been since the days of Prince Frederik, an official residence: King Willem-Alexander of the Netherlands, his wife, Queen Máxima of the Netherlands, and their daughters live in the villa Eikenhorst at the estate De Horsten in Wassenaar; Princess Alexia was baptized at the Romanesque church in Wassenaar. The princesses attend the Bloemcampschool in Wassenaar, founded in 1931.
In addition, several ambassadorial residences are located here, including those of Canada and South Korea. In general, there is a large expatriate community of diplomats and business people in Wassenaar, largely due to its proximity to both the international organisations and embassies in The Hague and to several international schools, including the American School of the Hague and the British School in the Netherlands. The Netherlands Institute for Advanced Study (NIAS) is also based in Wassenaar; each year, it provides research time, space and support for foreign and Dutch scholars.
As a community, Wassenaar benefits from several parks and a network of bicycle paths. Trees, mainly beech, oak, and horse chestnut, are widespread, giving the town a provincial characteristic. The town centre supports a number of high end shops, delicatessens and bakeries as well as a cafe, bar, and restaurant.
Some remnants of the Atlantic wall are located on Wassenaar's beach, the Wassenaarseslag; nearly a thousand meters of underground walled tunnels are present, connecting five bunkers. The network now serves as a bat sanctuary and is not open to visits anymore. The theme park Duinrell and the race track Duindigt, the only remaining grass race track in the Netherlands, are here as well.
Despite being a relatively small town, Wassenaar is well known in the Netherlands as a result of its conspicuous wealth. Areas of the town are amongst the most affluent in the Netherlands, and residents of the town have a reputation for being 'bekakt,' or posh. The Dutch artists Ross and Iba released a song entitled 'Wassenaar,' which poked fun at the wealth of the town.
Wassenaar has always enjoyed good relations with the neighboring town of Voorschoten, with which it has shared a history from time immemorial. The House of Wassenaer, for example, historically resided in the Kasteel Duivenvoorde in Voorschoten. Recently, plans to merge into one municipality with Voorschoten have been introduced.
Notable people from Wassenaar 
- Konrad Bartelski (b. 1954), skier, lived in Wassenaar for a number of years
- Theo van Gogh (1957–2004), filmmaker, director, and columnist
- Thom Hoffman (b. 1957), actor and photographer
- Morris Tabaksblat (1937–2011) ex CEO of Unilever, lived and died here
- Felix Tikotin (1893–1986) architect, art collector, art dealer, and founder of the first Museum of Japanese Art in the Middle East. He lived in Wassenaar.
- Nico van der Voet (b. 1944), water polo player
- Pieter Kooijmans, (1933-2013), Judge on the International Court of Justice
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