Traveled all around Turkey....
Olympus is perfect place at the west of Antalya that you must see...please search with Google... Also on the road that direction please visit Phaselis whe you can swim around ancient city under sea... about 9 years ago
You can find best boutique hotels at Talimhane Street near Taksim... about 9 years ago
The easiest and cheapest way to get from the airport to Sultanhamet area (where I am staying). Heard taxis are very expensive..
There is a direct metro line from airport to Aksaray where access point to other line goes to the Sultanahmet... about 9 years ago