Sea of Marmara Connecting Black and Aegean Seas, Turkey41.1N 29.0E
Here, the Black Sea (upper right) can be seen connecting to the Sea of Marmara (center), which in turn connects to the Aegean Sea (lower left).
The Bosphorus strait connects the Sea of Marmara to the Black Sea and the Dardanelles strait to the Aegean. The former also separates Istanbul into its Asian and European sides. The Sea has an area of 11,350 km² (280 km x 80 km) with the greatest depth reaching 1,370 m.