Welcome to the Open Meeting of the European Laboratory Directors GroupThe event, which will be by invitation only, will be held at the Frascati National Labs of INFN – Via Enrico Fermi, 54 – Frascati (Rome), from July 10th to 11th, 2023. Participants are strongly invited to register via web using the online registration form . Attendance on site is highly recommended and we will be pleased to welcome you in Frascati!The event will be followed on the 12th- 13th July in Frascati by the 1st Workshop on the European Accelerator R&D Roadmap. The agenda and registration page can be found at:  https://agenda.infn.it/e/AcceleratorRoadmapThose who need to apply for a VISA to enter Italy are kindly requested to ask for a formal invitation letter by e-mail to the Workshop Secretariat.Meeting Chairs:Fabio BOSSI (INFN-LNF, Italy)   Dave NEWBOLD (STFC, UK)Local Organising Committee: Fabio BOSSI Chair (INFN-LNF, Italy)   Dave NEWBOLD Chair (STFC, UK)   Rita BERTELLI Coordinator (INFN-LNF, Italy)    Douglas BETT Coordinator (U. of Oxford, UK)   Alessandra COSTANTINI Coordinator (INFN-LNF, Italy) Antonio DE SANTIS Coordinator (INFN-LNF, Italy)