Money: Turkish Lira (formerly New Turkish Lira) Population: 79,51 million (2016) Geographical size: 814,578sq km – of which 790,200 is in Asia, 24,378 is in Europe. Religion: 99.8% Muslim (mostly Sunni), 0.2% Christianity and others Capital: Ankara (Istanbul is the largest city in Turkey, but Ankara is the capital) National flag: White crescent moon and white star on a red background Telephone: Country code 90 Istanbul is the only city in the world built on two continents, Europe and Asia Turkey shares a border with eight countries – Armenia, Azerbaijan, Bulgaria, Georgia, Greece, Iran, Iraq and Syria Turkey is surrounded by sea on three sides – the Black Sea in the north, Mediterranean in the south and the Aegean Sea in the west.