The Bosphorus, which is a natural boundary of Asian and European continents, is an important sea passage for connecting Black Sea to the Mediterranean Sea, via the Turkish Straits and the Aegean Sea. The Bosporus strait connects it to the small Sea of Marmara which in turn is connected to the Aegean Sea via the strait of the Dardanelles. . It is also one of the important places in Istanbul with its magnificent view. Wide meadows became recreational and picnic areas because of the intense structuring in the 18th and 19th centuries. Coastline is filled with magnificent coastal palaces, kiosks and mansions.

In Rumeli (European) side, starting from Beşiktaş there were coast palaces of sultans, coast palaces of women members of dynasty and spouses of senior managers in Kuruçeşme Coast in Ortaköy, residences of civil servants who were descendants of Byzantine.However, Tarabya and Büyükdere were a summer place of embassies with their summer residences, and foreign with their mansions.