Date: October 2–3, 2025 | Location / Format: Istanbul, Turkey | Koç University Hosted by Koç University, the 4th ECoDN-HUB Transnational Project Meeting (TPM-4) was held in Istanbul. Project partners evaluated the progress since the third TPM and discussed the completion process of the disaster nursing handbook, AR/VR video drafts, and scenario development studies. Within the scope of the program, visits were made to RMK AIMES, OSCE, and Nursing Skill Laboratories; observations that will contribute to the realism of the scenarios were shared during a field visit to Koç University Hospital.