EUSFLAT 2011 is organized with the focus of bringing together theoreticians and practitioners working in fuzzy logic, fuzzy systems, soft computing and related areas. It will provide a platform for the exchange of ideas between scientists, engineers and students. Participants in the joint EUSFLAT-LFA conference will find in Aix-les-Bains the perfect setting to present their latest achievements, to discuss their developments, to expose and consider future directions and projects and to live real moments of relaxation admiring an exceptional landscape.