The Black Sea region serves as an important nexus between Europe and Central Asia. Yet myriad threats to stability in this region could have a significant impact on transatlantic security. In recent years, countries bordering the Black Sea have experienced incursions on their territorial integrity, significant inflows of migrants and refugees, and threats from terrorist groups and organized crime. What role can Romania, NATO, and the European Union be expected to play in ensuring security in this region in the coming years? How may potential flashpoints in this region have broader consequences for transatlantic security? What impact will domestic politics and protests in several countries in the area have on regional stability?