Istanbul Atatürk Airport airport was originally named "Yeşilköy Airport". In the 1980s, it was renamed "Istanbul Atatürk International Airport" in honour of Mustafa Kemal Atatürk, the founder and first president of the Republic of Turkey. It served more than 60 million passengers in 2015, making it the 11th-busiest airport in the world in terms of total passenger traffic and the 10th-busiest in the world in terms of international passenger traffic. As of 2017, it is Europe's 5th-busiest airport after London Heathrow, Paris Charles de Gaulle, Frankfurt Airport and Amsterdam Schiphol Airport, having fallen from third place after a decline in passengers due to
Population exchange between Greece and Turkey Pomaks, Cham Albanians, Megleno-Romanians, and Dönmeh. The Turks and other Muslims of Western Thrace were exempted from this transfer as were the Greeks of Constantinople (Istanbul) and the Aegean Islands of Imbros (Gökçeada) and Tenedos (Bozcaada). In the event, those Greeks who had temporarily fled these regions, particularly Istanbul, before the entrance of the Turkish army were not permitted to return to their homes by Turkey afterwards. Greece, with a population of just over 5,000,000 people, had to absorb 1,221,489 new citizens from Turkey. The punitive measures carried out by the Republic of Turkey, such as the 1932 parliamentary law