Istanbul, October 2015
I personally loved Istanbul, and still don't understand why I never went there before! From a historical and cultural point of view, the city is fascinating and definitely worth the trip. Honestly, I would place it in the top cities to visit in Europe, along with the likes of Rome, Paris or London. The city is clean, safe, public transportation is quite good (although traffic can be really bad), and I found Turcs to be super friendly and helpful so never hesitate to ask for advice or directions.
Insider Tip:I would definitely recommend a minimum stay of 3-4 days, a weekend is not enough in my opinion. This allows you to visit some of the main attractions (Haga Sophia especially) on a week day, when the queues are smaller. It can be a little expensive, especially for budget travellers, but I also recommend to book a private guide for a day as many sites have little explanation and guide books are usually quite succint. In general, just take the time to wander around in the different parts of the town!