Definition
The Bosporus is a narrow, natural strait connecting the Black Sea and the Sea of Marmara. π It divides Istanbul, Turkey, making it a city straddling two continents (Europe and Asia). It's a strategically important waterway, controlling access to the Black Sea. Think of it as a vital chokepoint for maritime traffic. The Bosporus has been a site of conflict and trade throughout history. Its control has been a major geopolitical issue for centuries.