[Clewza313]

Only half of Istanbul is in Europe, and while the historical core is on the European side, most of the modern city center (Taksim etc) is on the Asian side.

[Freak_NL]

Taksim is on the European continent though:

https://www.openstreetmap.org/node/6271669244#map=14/41.0320...

[Clewza313]

You're right! It's on the east side of the Golden Horn, but still west of the Bosphorus.