On October 29, 2019 at 10:00 am, the National Center for Environment and Sustainable Development organized the 1st Regional Meeting, with the subject "Environmental vulnerability: the impact of Invasive Alien Species", at Villa Kazouli (241 Kifissias Street, Athens). In the meeting the NCESD presented the INVALIS project and discussed the need to establish a network of stakeholders from the administration, the scientific community and the NGOs that will exchange information and ideas systematically on Invasive Alien Species to assist the administration in implementing the European Commission Regulation 1143/2014.