Extracurricular activities will be organised during the ICCL programme. For example a class study trip, excursions, Moot Court and visiting major law firms.

Public International Law is a one-year Master’s specialisation at the internationally acclaimed Leiden Law School at Leiden University. The programme focuses on the legal framework that governs international relations in an increasingly complex global society.

The two-year Advanced MSc IRD programme offers you a unique blend of academic education in international relations and political science with practical graduate education and training in international negotiation and diplomacy.

Are you interested in international organisations, issues of peace and security, or current changes in global political relations? Would you like to study the causes of terrorism and the resolution of violent conflicts? Develop your scholarship and skills in international affairs in The Hague.

If you are curious which of our master's programmes best suits your needs and what Leiden University can offer, consider registering for one of our information activities.

No nation-state can solve today's global challenges on its own. In the specialisation International and European Governance you will obtain a deep understanding of the interplay between the international, EU, and (sub)national governance systems and how this interplay affects the capacity of public…

Women in International Security -Netherlands (WIIS-NL) is an affiliate of WIIS Global. WIIS-NL Members include: professionals, civil servants, academics, NGOs, employees of international bodies and organizations, embassy staff, politicians, students, and interested members of the general public. The…

Find contact details and support information for the MSc International Organisation at Leiden University, including programme inquiries and Admissions Office assistance.

Addressing Global Challenges through International Scientific Consortia

Research in the International Relations and European Studies Team addresses the interconnections and interdependence of contemporary global political, economic and cultural affairs from a multidisciplinary perspective rooted in the humanities.

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

We are convinced that you’ll have a wonderful time at Leiden University, but you don’t have to take our word for it. If you’re looking for objective opinions of what it’s like to study here, listen to what current students and alumni have said about it!

View the course structure for the MSc International Organisation at Leiden University. Includes semester overview, ECTS credits, and course descriptions for the September start in The Hague.

Just published: Nederlands internationaal privaatrecht Special issue: Private international law and finance

Prof. Dominique Moïsi delivered his keynote address at the first Leiden University Owada Symposium on 24 May 2022

The International Air Law Moot Court Competition is a unique opportunity for students seeking to gain experience in the development of arguments in the field of international law and international air law, while also establishing contacts around the world.

Are UN sanctions regimes in need of further formalization in terms of substantive design, procedural architecture and with a view to regulating and governing the interplay with other regimes?

This edited publication aims at reflecting on the future of discussions on the applicability of international law to States’ use of ICTs in the context of highly politicised discussions at the multilateral level and offering practical suggestions for the European Union to pursue its objectives in this…

Get in touch for enquiries about the MSc International Politics at Leiden University, including programme questions and support from the Admissions Office.

View the programme structure for the MSc International Politics at Leiden University: semester layout, ECTS credits, core courses, and the September intake in The Hague.

The International Bachelor in Psychology in Leiden takes you along all the different subdisciplines in Psychology.

Are you thinking about studying International Relations and Diplomacy? Learn more and watch the videos.

In this course, you will gain a deep insight into the rules that govern armed conflict, and aim to mitigate human suffering on the battlefield. You will explore the why and how of International Humanitarian Law, followed by the different types of conflict.

Are you thinking about studying International Relations: Culture and Politics? Learn more and watch the introduction video.

Learn about information events and activities for the MSc International Organisation at Leiden University, including webinars, virtual sessions, and application Q&A.

Find out about information activities for the MSc International Politics at Leiden University, such as webinars, online Q&A sessions and events for prospective students.

Explore student life for the MSc International Organisation at Leiden University: student associations, events, extracurriculars, and living in The Hague.

Explore student life for the MSc International Politics at Leiden University: student associations, social events, extracurricular opportunities, and living in The Hague.

Studying change in the course of human history, in different places, through the lens of a diverse set of core themes; World History for International Studies offers readers a set of windows into different debates historians have been conducting.

Eric De Brabandere, Professor of International Dispute Settlement, and Director of the Grotius Centre for International Legal Studies has just published the 7th Edition of the handbook Merrill’s International Dispute Settlement. The previous editions of this seminal handbook were authored by the late…

On 31 January 2025, Leiden University participated in the Dutch National Rounds of the 2025 Philip C. Jessup International Law Moot Court Competition, the world’s oldest and largest moot court competition, featuring more than 800 teams from over 100 countries and jurisdictions.

We will give you some tips to prepare yourself as best as possible for the International Dispute Settlement and Arbitration programme at Leiden University.

Article by Leiden University political scientist Daniel Thomas about shifting norms for membership in international organisations.

This course provides an insider perspective into the work of international criminal courts and tribunals. You will learn about the investigation and prosecution of international crimes in The Hague.

IIAS promotes critical, humanistic, and collaborative work on, with, in, and beyond Asia.

Miriam Cohen defended her PhD dissertation entitled “Reparations for International Crimes and the development of a Civil Dimension of International Criminal Justice” on 28 June 2017. She wrote her thesis under the supervision of Professor L.J. van den Herik and Professor C. Stahn.

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

Find out what it is like to study at the Faculty of Law. Watch the video below to get an impression of our facilities and our faculty in Leiden and The Hague. Be sure to also take part in our online and on-campus information sessions!

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.