The Marmara Sea is a small body of water located in Turkey, connecting the Black Sea to the Aegean Sea. It serves as a natural boundary between the European and Asian parts of the country. The sea is about 280 kilometers long and is known for its beautiful coastlines and rich marine life, making it a popular spot for fishing and tourism. Surrounding the Marmara Sea are several important cities, including Istanbul, which is famous for its historical sites and vibrant culture. The sea also features the Bosphorus Strait, a crucial waterway that links the Marmara Sea to the Black Sea, playing a significant role in international shipping and trade.