The International Court of Justice (ICJ) is the judicial organ of the:

1. EU
2. NATO
3. United Nations
4. OIC

The International Court of Justice, situated in the Peace Palace in The Hague, serves as the principal judicial organ of the United Nations. Established by the UN Charter in 1945, it succeeds the Permanent Court of International Justice. The ICJ settles legal disputes submitted by states and provides advisory opinions on legal questions referred by authorized UN organs and specialized agencies.