Istanbul is a major city in Turkey. Known by other names such as Constantinople and Byzantium, Istanbul ranks as the largest city in the country and is known as the second largest metropolitan area within Europe. The city has a total of 27 districts and is situated on the Bosphorus Straight.

Istanbul has played a huge part throughout history. From the time it was still known as Byzantium up until the time when Emperor Constantine I declared the city as Constantinople, Istanbul has graced history books with its widely known reputation. In addition to its two popular names, Istanbul has also been bestowed the nickname of "The City on Seven Hills." This can be attributed to the fact that the oldest part of the city, the Peninsula, was built on seven hills.

Istanbul is known as one of the richest cities in the world, having a total of 35 billionaires to date. It is also a hub of tourism with its hotels and tourist oriented sights and landmarks. In addition to being a natural tourist attraction, numerous companies have chosen Istanbul as their common location for major conferences. Plus, it definitely does not hurt that years of history have contributed to a rich culture that both local and foreigners can admire.