Istanbul is the largest city and the economic and cultural capital of Turkey. It is located on both sides of the Bosporus Strait, separating Europe from Asia, making it a unique cosmopolitan city. With a population of over 15 million people, Istanbul is one of the most diverse and energetic cities in the world.

Istanbul is also known for its rich history and culture. It was once the capital of the Byzantine and Ottoman Empires and is home to some of the most magnificent historical landmarks such as the Hagia Sophia, Topkapi Palace, and the Blue Mosque. The city is also famous for its bustling markets, beautiful street art, and rich culinary scene.

When it comes to buying a flat in Istanbul, there are many options available. From luxury high-rise apartments to traditional Ottoman-style houses, there is something for everyone. The city's real estate market has been expanding due to increased demand from both locals and foreigners. The neighborhoods of Besiktas, Sariyer, and Beyoglu are some of the most popular areas for buyers.

When buying a flat in Istanbul, it is important to keep in mind the legal requirements and regulations, as well as finding a reputable real estate agent or broker. It is also important to consider the location, size, and amenities of the property before making a decision. Prices for flats in Istanbul vary depending on the location and type of property, with prices ranging from a few hundred thousand to several million dollars.

In conclusion, Istanbul is a vibrant city with rich history and culture, making it a desirable place to live or invest in. With its expanding real estate market, buying a flat in Istanbul could be a great investment opportunity for those looking to purchase property in an exciting and diverse city.