this is a regularly returning question on the Forum, so I thought it would be nice to start a thread and everybody adds to get a nice full list!
When I travel to family and friends and look for presents I love to visit the Grand Bazar.
Always a hit are Turkish key-rings, hand made jewelry, lamps and t-shits.
For touristy t-shirts 2 favorite ones are the "Turkish Tea Shirt"
and the "Raki" t-shirt. Normal tshirts that go well for a present are the ones with the word 'Istanbul' prints from Mavi, or the ones from Ottoman Empire in Kanyon Mall:
This is a start, hope you all add stuff!