- Leiden (in English and archaic Dutch also Leyden) is a city and municipality in the province of South Holland in the Netherlands and has 118,000 inhabitants.
- It forms a single urban area with Oegstgeest, Leiderdorp, Voorschoten, Valkenburg, Rijnsburg and Katwijk, with 254,000 inhabitants.
- It is located on the Old Rhine, close to the cities of The Hague and Haarlem.
- The recreational area of the Kaag Lakes (Kagerplassen) lies just to the northeast of Leiden.
- A university town since 1575, Leiden houses:
Leiden University Medical Centre.
- Leiden is twinned with Oxford, the location of England's oldest university.
- The windmill shown in the photo was built in 1743. This windmill is one of the city's original 19 mills that still exist. It is/was a corn-grinding windmill and is now home to a museum.