Over a billion people live in China, it has the most spoken language in the world and is a major player on the world stage. Do you want to broaden your knowledge about this fascinating and powerful country? Study the language, culture, economy and politics on a high academic level with China Studies…

The areas around the Mediterranean Sea have a rich and fascinating past. Do you want to explore these ancient and diverse cultures of the Mediterranean World? In the Dutch-taught Bachelor's programme Ancient Near Eastern Studies at Leiden University you will study the world of Ancient Egypt, Mesopotamia…

Discover history and present. With it's eventful history and politics, Russia is a country with a large influence on Europe and the world. In the Dutch-taught Bachelor's programme Russian Studies you will learn everything about the culture, language and politics of the largest country in the world and…

You have ample opportunities to assemble your own study path. The courses cover the full spectrum from theoretical early universe to observational cosmology.

Acquiring and maintaining public support is frequently cited as an important requirement for governments fighting non-state actors. But how exactly can public support influence the course of counterterrorism campaigns and thereby contribute to an escalation or de-escalation of violence?

Research in the BioTherapeutics research programme is aimed at a smoother and speedier transition from preclinical research to pharmacological interventions, and the delivery of drugs in the human body by use of small molecules and biologics.

The Faculty of Archaeology's own home-grown journal Inter-Section has released a new volume. Inter-Section offers students and PhD candidates the unique chance to publish in a peer-reviewed journal. The new volume focuses on the materials that shape our world.

Membership is open to academic staff, support staff, and students of any kind (part-time and full time) of Leiden University and associated institutes, as well as anyone else beyond this community interested in decolonising efforts at Leiden University. Membership is also free and easy! Just sign up…

Gold nanorods are biocompatible nanoparticles that present an excellent two-photon signal that can be used to get high spatial resolution inside living cells. Gold nanorods are photostable and therefore can be followed inside cells for long time, with possible applications as trackers in live cells.

The study of tax law covers the tax system in its full width. It includes domestic, international and European tax law.

Leiden Law School is located in two beautifully renovated national monuments in the historic heart of Leiden. The Law School also has teaching and research facilities at its campus in The Hague.

Source: ChemMedChem (2015)

These courses address all language skills: speaking, writing, listening and reading.

Lets hit the water! Our students joined us on Saturday 30 August 2025 for a Stand Up Paddleboarding (SUP) and canal clean-up session on Leiden’s canals with Plastic Soup Surfer Merijn Tinga.

This thesis examines silicon pore optics (SPO), a technology that exploits silicon wafers from the semiconductor industry to create extremely high quality X-ray optics, by studying its manufacturing process, applications, and prospects.

On 28 June, Willem Ruijs defended the thesis 'Pawnbroking'. The doctoral research was supervised by r Pim Rank and Willem van Boom.

The master’s programme in Dutch linguistics at Leiden University provides you with a deep understanding of the Dutch language and the multifaceted research into the structure and use of the Dutch language. During the programme you will not only gain in-depth knowledge of Dutch linguistics, but also…

Are you interested in combining your Science master programme with the Business Studies specialisation? Learn more and watch the introduction video.

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Are you fascinated by the past and do you like to challenge yourself? In the Dutch-taught Bachelor's programme History at Leiden University you will approach the past with a sharp and analytic view and you will learn to look at the past from a completely new perspective. study the history of the ancient…

These courses deal with all language skills: listening, speaking, reading and writing. Grammar, pronunciation and vocabulary are discussed thoroughly.

It recently emerged that a Swiss firm secretly owned by the CIA and the West German intelligence service BND had been selling manipulated coding equipment to numerous governments, including allies, to spy on them through a Swiss cover firm for years.

Neuraminidases are enzymes that cleave glycosidic linkages of sialic acid. These enzymes are involved in influenza infections as well as in many cellular processes in mammals and micro-organisms.

Access to high-quality research facilities is essential to research success. That is why Leiden University makes its research facilities available to researchers from the business community, knowledge institutions and universities.

At the Lak you can participate in a large variety of artistic and creative courses taught by our professional teachers. We offer courses in the following categories: theater and presentation, dance, visual arts, music, photography and writing (literature). All staged art courses come to a close with…

The culture and texts of the classical antiquity are still a source of inspiration for our modern world. In the Dutch-taught Bachelor's programme Greek and Latin Language and Culture you will examine all aspects of the Greek and Roman antiquity. From Homerus to Horatius. From Plato to Cicero.

Latin America is a region with an immense cultural diversity and a colorful, fascinating and sometimes complicated past and present. Get to know the culture, history and the Spanish or Portuguese language of Latin America and develop yourself into a valuable region specialist with a critical worldvi…

What was people's favourite thing about Leiden University?

A multiple isotope approach to human-animal dynamics in the Lesser Antilles across the historical divide

Almost a century passed since the much-celebrated judgement in the case concerning the Factory of Chorzów was delivered. This 1928 judgement of the Permanent Court of International Justice affirmed the essential principle of ‘reparation’ in international law, claiming that ‘restitution’ is the preferred…

Leiden University social scientists have shown that customised intervention pays off. A new fundamental research-based approach in children who are in danger of going off the rails has delivered spectacular results.

What is the effect of pesticides, fertilizers or plastic on water quality? And how do wind and rain affect the data? These are just some of the things that Leiden environmental scientists study in the 32 ditches of the Living Lab.

People who are arrested on suspicion of preparing an attack are at risk of becoming radicalised either during or after their detention. Whether or not to arrest someone requires careful consideration. At the end of the prison sentence, it is important to provide effective supervision of the reintegration…

The Faculty of Humanities is committed to creating an inclusive and diverse community, where all students and staff are supported, respected, and empowered to do their best work, irrespective of gender, ethnicity, sexual orientation, ability, age, religion, or socio-economic background.

The oldest university in the Netherlands was founded on 8 February 1575 in the Pieterskerk in Leiden. This was at the time of the Eighty Years’ War with the uprising of the northern provinces against domination by the Spanish.

Can dynamic testing provide us with insight in children’s potential for learning?

Doing a PhD at the Institute of Psychology can be an exciting experience. On this webpage we provide you with the necessary information on application, registration, the Graduate School and Training and regulations. Leiden University’s Institute of Psychology offers you a professional and supporting…

The Faculty of Social and Behavioural Sciences is committed to being a safe, comfortable, and equitable space for both staff and students: a place where a diversity of people feel valued and welcome, where there is room for a diversity of perspectives.

LUC has unique support systems for academic support but also personal support to guide you through your time at LUC.

As a student in Security Studies you are a socially engaged critical thinker eager to study real-life security cases in an academic setting. You focus not just on the broad context of these issues but also on the role of government, institutions and media. Want to know more? Sign up for one of our Open…

Here you find the admission requirements to apply for the bachelor’s programme in Data Science & Artificial Intelligence.

Leiden University’s Master of Laws in International Children’s Rights (LL.M.) looks at human rights laws for children from a comparative perspective.