Istanbul without a quiver of doubt will be joining New York, London, Paris as global cities. That is city which is of global import and it's ecnomy is intertwined with the global capital. That is banking, insurance, property etc.
The city presents a fantastic opportunity for Pakistani's particulary to invest in property. Apartments etc which are cheap compared to other global cities with views on to Bosphorus that are mind bending. Throw in the open culture, food, music, architecture etc makes for a stunning city. This is not a city for bearded Islamists or those who like to wear religion on their penis like a watch but for open minded people who are comfortable with west amd east convergence. That is grand masjids on this side of the road with pious piling in with semi naked man eating temptresses supping expensive alcohol drinks on other side in fancy bars.