Istanbul is the largest city in Turkey and is among the 25 largest urban areas in the world. It is located on the Bosporus Strait and covers the entire area of the Golden Horn – a natural harbor. Because of its size, Istanbul extends into both Europe and Asia. The city is the world’s only metropolis to extend into more than one continent.
The city of Istanbul is important to geography because it has a long history that spans the rise and fall of the world’s most famous empires.