Can international organisations be held responsible for violations of international law by peacekeepers in a peacekeeping operation?

Are you thinking about studying Global Political Economy? Learn more and watch the introduction video.

Are you thinking about studying European Union Studies? Learn more and watch the introduction video.

The Advanced Master's specialization International Criminal Law at Leiden University examines international criminal law and international criminal procedure.

Our Master Public International Law (L.L.M.) you will gain understanding of the legislation that governs international relations in a complex global society

The fifth edition of the Owada Chair Symposium, that was held in Leiden on 14 and 15 October 2025, highlighted the law and politics of international criminal justice.

Explore the career prospects of MSc International Organisation graduates at Leiden University. Includes acquired skills, employment sectors, alumni insights and career support.

Discover the career prospects for graduates of the MSc International Politics at Leiden University: roles in diplomacy, think tanks, government institutions, and international organisations.

Political Science: National and International Politics is a broad study with a lot of depth. You will study political issues at the local, national and international levels, from a variety of perspectives. You will be taught by renowned, committed professors. In Leiden you will find a real student city…

This project studies social distance—the degree of sympathetic understanding that exists between people—in relation to state foreign policy making. Does, and if so how does, social distance shape political biases, aid narratives, and, ultimately, state foreign policy priorities and decisions?

This page provides an overview of the MSc International Organisation specialisation at Leiden University (The Hague). Includes curriculum, thesis seminar, small-group teaching and internship possibilities.

Organized by the Grotius Centre for International Legal Studies, this programme enables students and professionals from all over the world to engage in discussions on the prospects and challenges of international criminal justice. Registration is now open!

In the male-dominated university world, studying was often considered inappropriate for women. They were denied membership of the male student association Leids Studenten Corps ‘Virtus Concordia Fides’ (LSC). The women were on their own and they decided to unite.

Social Policy is increasingly incorporated as a subject of European law. The Social Dialogue with labour and management organisations leads to agreements that can be transformed into Directives of the Council

Taking the changing landscape of international cyber security and cyber conflict as a point of departure, The Hague Program on International Cyber Security focuses on the various modes of governance that states and other actors can bring into play to deal with and shape the strategic changes and challenges…

The Leiden University Centre for International Relations (LUCIR) is a multi-disciplinary platform promoting research and education on international relations at Leiden University.

On 18 April, Alexandre Tavadian defended the thesis 'The International Civil Service: Redefining Its Independence'. The doctoral research was supervised by Niels Blokker and Brian McGarry.

Learn about the MSc in International Politics at Leiden University: programme structure, key courses, thesis seminar and small-group instruction in The Hague.

On 23 February 2022, Cale Davis defended the thesis 'Prosecutorial Discretion in International Criminal Justice'. The doctoral research was supervised by Prof. C. Stahn en Dr. J.C. Powderly.

The Summer School on International Humanitarian Law is designed by the Grotius Centre Kalshoven-Gieskes Forum on International Humanitarian Law. Registration is now open!

This book is the first to incorporate current academic literature and case law on European, transnational, and international media law into a comprehensive overview intended primarily for students.

This book offers a comprehensive analysis of the international law applicable to cyber operations, including a systematic examination of attribution, lawfulness and remedies. It demonstrates the importance of countermeasures as a form of remedies and also shows the limits of international law, highlighting…

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

Are you thinking about studying the Advanced LL.M. Public International Law? Learn more and watch the videos.

The International Institute of Air and Space Law is one of the leading international academic research and teaching institutes in the world, specialising in legal and policy issues regarding aviation and space activities in the broadest sense of the word.

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Leiden University’s Master of Laws in Advanced Studies in International Financial Law (L.L.M.) examines the complex, international and multidisciplinary area of law and finance: markets, regulation and a sustainable society.

The main objective of the Telders International Law Moot Court Competition is to challenge students to excel in international law, consequently testing their creativity and powers of persuasion in a friendly competition. Students and academic staff throughout Europe consider participation to be a great…

Chat with a current MSc International Organisation student at Leiden University and get first-hand insights into the programme, student life, study abroad and application experience.

Chat with a current MSc International Politics student at Leiden University to get firsthand insights into the programme, student life, study abroad and application process.

The Basics and Applications to Plant Sciences will be held physical. See below for more information.

William Lippert investigates the effect of delegation to an agreement executor on success of conventional arms control agreements in Europe.

Learn how to apply for the MSc International Politics at Leiden University: step-by-step procedure, submitting documents via Studielink, and follow-up guidance.

Learn how to apply for the MSc International Organisation at Leiden University, including steps for submitting your documents, using Studielink, and following up.

The MSc International Organisation is offered by Leiden University in The Hague. This page explains why students choose this programme and location.

Discover the admission requirements for the MSc in International Politics at Leiden University in The Hague: bachelor degree, 80 ECTS in political science, and English language proficiency (IELTS/TOEFL).

Discover the admission requirements for the MSc International Organisation at Leiden University in The Hague. Includes 80 ECTS, English test scores (IELTS/TOEFL), and supporting documents.

Are you thinking about studying Public Administration: International and European Governance? Learn more and watch the videos.