The 4th International Conference on Holography and its Applications (ICHA4 2025) marks an exciting return to in-person gatherings, bringing together researchers, scientists, and industry professionals in the dynamic field of holography. Hosted by Khazar University on September 18-19, 2025, this prestigious conference is jointly organized by Damghan University,  Khazar University and the Canadian Quantum Research Center. Building upon the success of previous virtual editions, ICHA4 2025 provides a unique platform for sharing cutting-edge research, fostering collaboration, and exploring the latest developments in holography and its diverse applications specially in physics. The conference will feature keynote presentations, technical sessions, and interactive discussions covering a broad spectrum of topics. Join us at  Khazar University for two days of inspiring discussions, knowledge sharing, and collaborative opportunities that will shape the future of holographic science and technology.