The IOS Regensburg Summer Academy is an annual event organized by the Leibniz Institute for East and Southeast European Studies (IOS). It brings together scholars, researchers, and students to explore critical topics related to Central and Eastern Europe. The 2025 edition, titled "Historical Economics: Analyzing Contemporary Economic Institutions, Outcomes, and Developments against Historical Roots," will take place from June 30 to July 2 at Tutzing, Lake Starnberg, Germany.