About: Adana (pronounced [aˈda.na]) is a city in southern Turkey and a major agricultural and commercial center. The city is situated on the Seyhan River, 30 km inland from the Mediterranean Sea, in south-central Anatolia. It is the administrative seat of the Adana Province and has a population of 1.6 million,[1] making it the fifth most populous city in Turkey. Adana-Mersin metropolitan area, with a population of 3 million, stretches over 100 km from east to west and 25 km from north to south; encompassing the cities of Mersin, Tarsus, Adana and Ceyhan. Adana lies in the heart of Çukurova, a geographical, economical and cultural region that covers the provinces of Mersin, Adana, Osmaniye and Hatay. Home to approximately six million people, the region is mostly a large stretch of flat, fertile land regarded as one of the most agriculturally productive areas of the world.[2]

2012 World Culture Center

About: Istanbul (historically Byzantium and Constantinople),[3] is the largest city of Turkey, home to a population of 8,803,468 in 2010. A megacity, it is the nation's cultural, economic, and financial center, ranked as an alpha(-) world city by GaWC in 2010.[4] Located in the northwest of the country, it lies on the Bosphorus strait and encompasses the natural harbour known as the Golden Horn. Extending both on the European (Thrace) and Asian (Anatolia) sides of the strait, Istanbul is the only city in the world situated on two continents. It covers 39 districts of Istanbul province.[5] The greater Istanbul metropolitan area held 18% of Turkey's population in 2010. Its 13.26 million residents[2] rank it third in Europe after those of London and Moscow.