Complex sentence: Naimark gives a figure of 150,000--200,000 Greek refugees evacuated, with some 30,000 Greek and Armenian men deported to the interior of Anatolia, where most of them died under brutal conditions.
Split into simpler sentences: Naimark gives a figure of 150,000--200,000 Greek refugees evacuated. Naimark writes that 30,000 Greek and Armenian men were deported there, where most of them died under brutal conditions.