​​The GLIA 2025 conference, officially the XVII European Meeting on Glial Cells in Health and Disease, was held from July 8–11, 2025, in Marseille, France. As the largest international event dedicated to glial cell research, it brought together scientists from around the world to discuss the latest advances in glial biology, neuroinflammation, and glia-related diseases. The program featured plenary lectures, symposia, workshops, and a special introductory course for early-career researchers. ​