Why is Leiden the City of Science?

Leiden is the European City of Science in 2022. But did you know Leiden has been a centre for knowledge and innovation for over 400 years, since the first Dutch university was founded here in 1575? 

Follow the Science Route around the city centre and Leiden Bio Science Park to learn more about the world-famous discoveries which have taken place here and find out more about the ground-breaking research which continues to happen every day!

Pick up your FREE copy of the fully illustrated walking guide at VVV Leiden (Tourist Information). The Science Route is available in English or Dutch.

The Science Route has been created by Leiden&Partners and Leiden2022 to celebrate Leiden’s year as European City of Science.