Leiderdorp

Leiderdorp
The Oude Rijn passing by Leiderdorp
Location in South Holland
Coordinates: 52°10′N 4°32′E / 52.167°N 4.533°E / 52.167; 4.533
CountryNetherlands
ProvinceSouth Holland
Government
  BodyMunicipal council
  MayorTjarda Struik (as of 14 November 2023)
Area
  Total
12.28 km2 (4.74 sq mi)
  Land11.58 km2 (4.47 sq mi)
  Water0.70 km2 (0.27 sq mi)
Elevation
0 m (0 ft)
Population
 (January 2021)
  Total
27,377
  Density2,364/km2 (6,120/sq mi)
DemonymLeiderdorper
Time zoneUTC+1 (CET)
  Summer (DST)UTC+2 (CEST)
Postcode
2350–2353
Area code071
Websitewww.leiderdorp.nl

Leiderdorp (Dutch pronunciation: [ˌlɛidərˈdɔr(ə)p] ) is a town and municipality in the western Netherlands, in the province of South Holland near the city of Leiden. It had a population of 27,377 in 2021.

The municipality covers an area of 12.28 km2 (4.74 sq mi) of which 0.70 km2 (0.27 sq mi) is water. Leiderdorp has now become a suburb of the city of Leiden, although the Oude Rijn (Old Rhine) river and the Zijl river separate the two. The HSL-Zuid high-speed rail line between Amsterdam and Brussels crosses Leiderdorp in a tunnel.

It is one of the oldest towns in South Holland province and was a base for the Spanish army in the Eighty Years' War.