The Peace Palace Library is a renowned international law library located in The Hague, the city of Peace and Justice. It plays a crucial role in supporting international judicial organs and is highly regarded for its excellent legal information services. The library's primary focus is to serve the Permanent Court of Arbitration, the International Court of Justice, and The Hague Academy of International Law. Its vast collection covers various aspects of international law, including public and private, foreign and comparative law, as well as war and peace issues. Notably, the library is known for its valuable Hugo Grotius and Peace Movement collections.

Academia, legal research institutes, and international tribunals, along with anyone interested in international law, are welcome to visit the Peace Palace Library. With a commitment to achieving peace through law, the library aims to facilitate the important work done by the international community by collecting, delivering, and disseminating specialized knowledge of international law.

As part of the Carnegie Foundation, the Peace Palace Library contributes to the maintenance of the Peace Palace, which serves as the seat of the Permanent Court of Arbitration, the International Court of Justice, and The Hague Academy of International Law. To access the library's services and resources, individuals can become members. Additionally, the library offers a newsletter subscription for those interested in staying informed.