Russia's war of aggression against Ukraine was a watershed moment for European security and showed that many Western powers were sleepwalking by ignoring the Russian threat and the warning calls from Central Eastern Europe, the Baltics and most of all the EU's Eastern neighbours. The war prompted the European Union to rethink to what extent the Union is prepared to serve as a security provider and geopolitical actor in the region. The seminar discusses the geopolitical implications of the war for the EU's Eastern neighbourhood and Central Asia, reflecting on the Union's performance to date and considering how it should adapt its strategy to the changed geopolitical circumstances to ensure its own and the region's security