This document provides a preliminary program draft for the "GI2013-X-border-GI/GIS/GDI-Forum" being held on April 29-30, 2013 in Dresden. The forum focuses on sustainability and security applications for geo-risk prevention and environmental disaster protection, particularly cross-border interoperability. The program will include keynote speakers and presentations on topics like flood forecast mapping, earthquake hazard mapping, and environmental, disaster, and security applications. It aims to enable an exchange of experiences and information between neighboring regions and on innovative cross-border solutions. Examples of relevant cross-border projects and geoportals are also provided. The deadline for submission of presentation summaries is April 15, 2013