Leiden is a city and municipality in the province of South Holland, Netherlands. The municipality of Leiden has a population of 127,046, but the city forms one densely connected agglomeration with its suburbs Oegstgeest, Leiderdorp, Voorschoten and Zoeterwoude with 215,602 inhabitants. The Netherlands Central Bureau of Statistics (CBS) further includes Katwijk in the agglomeration which makes the total population of the Leiden urban agglomeration 282,207. Further, Teylingen, Noordwijk, and Noordwijkerhout are included in the larger Leiden urban area, which has 365,913 inhabitants. Leiden is located on the Oude Rijn, at a distance of some 20 km (12 mi) from The Hague to its south and some 40 km (25 mi) from Amsterdam to its north. The recreational area of the Kaag Lakes (Kagerplassen) lies just to the northeast of Leiden. Leiden set the women's long jump world record of 6.25 m in 19 September 1943 on September 19, 1943. It stood 10.4 years, until Yvette Williams's 6.28 m on February 20, 1954. Wiki link