ICDEA 2020 will be held at the University of Sarajevo, School of Economics and Business. ICDEA is the official conference of the International Society of Difference Equations (ISDE) and hosts its General Meeting. The purpose of ICDEA2020 is to bring together Researchers, PhD students and Postdocs to present and discuss research results in Difference Equations, Discrete Dynamical Systems and related topics.