The sea that connects Europe and Asia is the Bosporus Strait, along with the Dardanelles. These waterways are vital for maritime trade and strategically important for the nations bordering them. The Bosporus divides Istanbul into its European and Asian sides. Additionally, the Black Sea plays a significant role in this connection, serving as a key navigational waterway. These features have historically facilitated cultural and economic exchanges between Europe and Asia, influencing the development of civilizations in the region.