Transportation

Air

There is 2 airport in İstanbul.The larger one is The Atatürk international airport (İn yesilköy-europen side) other one is Sabiha gökçen international airport(in kurtköy-asian side).

Road

The E5, E90 and Trans European Motorway (TEM) are the three main motorway connections between Europe and Turkey.The Bosphorus Bridge on E5 and the Fatih Sultan Mehmet Bridge on TEM establish the motorway connection between the European and the Asian sides of the Bosphorus.

Sea
İstanbul is by the Sea of Marmara, the Golden Horn, the Bosphorus and the Black Sea.
İDO(Istanbul Sea Buses) will help you.

Rail

Turkish railway network with the rest of Europe.