I cannot find information about Iasos in several books that I checked. Though there is a good site by Selçuk University Faculty of Literature - Department of Archeology. Still, I am glad I went there, in an easy bus ride through fascinating hills from Milas. If you visit Euromos and have private transport it will be even easier to get there. The small town that nowadays sits on this spot has a fine museum in its former fish market. And from there you can make a wonderful walk along several good finds, like a good bouleuterion and an agora. Then uphill, to the old fortress. From there the view is great.