For many years, the Catholic University of Lyon (UCLy) has been committed to a proactive European and international policy for the benefit of its entire community, with the aim of supporting learners to become responsible players in societies facing major challenges. In this context, the Erasmus+ program enables UCLy to : - Promote the mobility of learners and staff, especially through better information and greater inclusion; - Develop the internationalization of certain courses (double degrees, courses taught in English); - Take advantage of the opportunities offered by the networks of which it is a member, foremost among which is the Erasmus+ network; - Promote the link between international development and interculturality; - Encourage a European spirit within our Catholic university through the development of strong European alliances; In conclusion, to strengthen its international culture by increasing its relations with strategic universities.