Bosphorus is a natural strait connecting the Black Sea to the Sea of Marmara, thus being a very strategic waterway. ... Bosphorus strait separates the European part from the Asian part of Istanbul

Dolmabahçe Palace located in the Beşiktaş district of Istanbul, Turkey, on the European coast of the Bosphorus, served as the main administrative center of the Ottoman Empire from 1856 to 1887 and 1909 to 1922.

Beylerbeyi meaning "Lord of Lords", is located in the Beylerbeyi neighbourhood of Üsküdar district in Istanbul, at the Asian side of the Bosphorus. An Imperial Ottoman summer residence built in the 1860s, it is now situated immediately north of the 1973 Bosphorus Bridge.

The Bosphorus Bridge, known officially as the 15 July Martyrs Bridge and unofficially as the First Bridge, is one of the three suspension bridges spanning the Bosphorus strait in Istanbul, thus connecting Europe and Asia. The bridge extends between Ortaköy and Beylerbeyi.

Rumelihisarı or Boğazkesen Castle is a medieval fortress located in Istanbul, on a series of hills on the European banks of the Bosphorus. The fortress also lends its name to the immediate neighborhood around it in the city's Sarıyer district.

The Fatih Sultan Mehmet Bridge, also known as the Second Bosphorus Bridge, is a bridge in Istanbul, spanning the Bosphorus strait. When completed in 1988, it was the 5th-longest suspension bridge span in the world; today it is the 24th.

The Maiden's Tower, also known as Leander's Tower since the medieval Byzantine period, is a tower lying on a small islet located at the southern entrance of the Bosphorus strait 200 m from the coast of Üsküdar in Istanbul.