The Russian invasion of Ukraine in 2022 has triggered a seismic shift in the European security landscape, compelling NATO and the European Union to reassess and adapt their strategic priorities. The designation of the Black Sea as an area of key security concern by NATO reflects the urgent need for a comprehensive response to Russia’s unprovoked aggression. While the Southeastern flank is now receiving increased attention, the Black Sea region faces challenges in achieving the same level of intra-NATO and regional security cooperation seen in the Baltic Sea.