The META 2023 will be held from 18th July to 21st July 2023 in Paris, France. The international conference series on Metamaterials, Photonic Crystals, and Plasmonics features the latest developments in the area of Metamaterials and Nanophotonics. META provides a unique forum for scientists and students to exchange ideas on the current state-of-the-art in the fields of photonics, nanomaterials, and advanced electromagnetic materials and to identify new research directions. The meeting addresses a wide range of topics such as Machine Learning for Metasurface Design; Topological Light and Matter; Sustainable Materials for Photonics; Photochemistry and Catalysis; Biomedical Imaging; Mechanical and Elastic Metamaterials; Crystal Growth and Assembly; and more.