A lecture on "Gallileo, European Satellite Navigation System" was organised on 4 October 2008 at the congress center I. Vellidis, HELEXPO, Thessaloniki, as part of the 14th Conference on Informatics and Communications Applications and the International Exhibition on Information Technology, Telecommunications and Digital Technology (INFOSYSTEM). The presentation was given by the Professor Fotini-Niovi Pavlidou.