The International Colloquium of Section IV on “International Perspectives on AI: Challenges for Judicial Cooperation and International Humanitarian/Criminal Law” of the AIDP XXIst International Congress of Penal Law on “Artificial Intelligence and Criminal Justice” – and International Conference on “Prosecution of Crimes in Ukraine and Automated Weapons under the Law of War” – will take place in Opatija, Croatia, on December 6-9, 2023.