Universitas Pendidikan Indonesia and the Asia-Pacific Center of Education for International Understanding (APCEIU), under the auspices of UNESCO, hold a Training of Trainers (ToT) on Global Citizenship Education from June 6 to 8, 2023, which is located in the city of Bandung and Campus Universitas Pendidikan Indonesia. This activity aims to provide the overall GCED concept to selected UPI faculty members who will become the GCED core trainers and researchers. The outcomes of this TOT will be the GCED courses designed for teacher education in Indonesia.