We are thrilled to announce that the 2024 15th International Conference on Mechanical and Aerospace Engineering (ICMAE) will be held in Zagreb, Croatia from July 17 to 20, 2024. This conference is co-sponsored by University of Zagreb, Science and Engineering Institute, Tongji University, technical co-sponsored by Technical University of Kosice, Polytechnic University of Porto, hosted by Primary Electromagnetic Laboratory, University of Zagreb, patrons with Orleans University, Washington University in St. Louis, Capitol Technology University, University of Huddersfield, Istanbul Technical University, among others.