Istanbul is the most populous city in Turkey and the country's economic, cultural and historic center. It is located in north-western Turkey within the Marmara Region.
The Bosphorus, which connects the Sea of Marmara to the Black Sea, divides the city into a European (Thracian side), and an Asian (Anatolian side). The city is also divided by the Golden Horn, a natural harbor bounding the peninsula where the former Byzantium and Constantinople were founded.
Germany's foreign ministry has said it will finally gain consular access to a detained German-Turkish journalist. Deniz Yucel has been held in Istanbul by Turkish authorities for six weeks on "terror propaganda" charges.
Top US officials say that Washington is no longer prioritizing the ouster of Syrian President Assad. The news came as Secretary of State Tillerson was unable to resolve disputes with the US ally Turkey while in Istanbul.