This Report by the authors Mark Frederiks, Josep Grifoll, Kirsi Hiltunen, Achim Hopbach is based on the ENQA seminar on "Quality Assurance of Joint Programmes" that was held on 19 September 2011 in Vienna, Austria. The purpose of this seminar was to analyse the experience already gaind in quality assurance of joint programmes as regards specific issues and methodological approaches, and to make recommendations to the ministers responsible for higher education in the Euopean Higher Education Area.