The project 2021 within the scope of Erasmus KA1 - Mobility between programme countries - was carried out in accordance with the European Policy Statement and the internationalization strategy of the Leuphana University Lüneburg. The overall objective was to promote the mobility of students and university staff within the framework of structured mobility programs. New inter-institutional cooperation agreements were concluded with suitable partners or existing agreements were extended in order to guarantee the quality of the measures and the recognition of mobility phases for studying, teaching and the working environment.