Istanbul is a city in Turkey that spans both Europe and Asia, separated by the Bosphorus Strait. It is the country's largest city and has a population of over 15 million people. Istanbul's history dates back over 2,500 years, making it one of the oldest continuously inhabited cities in the world. The city has been the capital of four empires, including the Roman, Byzantine, Latin, and Ottoman.

Istanbul is known for its rich cultural heritage, including iconic landmarks like the Hagia Sophia, the Blue Mosque, and Topkapi Palace. The city is also famous for its bustling markets, delicious food, and vibrant nightlife. The Grand Bazaar, one of the oldest and largest covered markets in the world, is a popular tourist destination where visitors can find a wide variety of goods, including spices, textiles, jewelry, and ceramics.

In addition to its rich history and cultural offerings, Istanbul also has a thriving modern economy. It is one of the largest economic centers in the region and is home to many multinational corporations and large financial institutions. The city's strategic location on the Bosphorus also makes it a major hub for international trade and transportation.

If you are interested in buying commercial information regarding Istanbul, there are many resources available. Business journals, market research reports, and industry databases can provide valuable insights into the city's economy, key industries, and emerging trends. Local chambers of commerce and trade associations can also provide networking opportunities and access to business resources. Finally, consulting firms and professional services providers may offer customized research and analysis tailored to your specific needs.