Izmir is a huge modern city - the third largest in Turkey after Istanbul and the capital Ankara - where few Tourists venture.
There are some scant classical ruins and an archeology museum of interest to classics enthusiasts.
Konak offers many shopping facilities with bazaars, some beautiful Ottoman houses,historical buildings which are used as cafes and restaurants
The Bus station is way out of the centrum and shuttle buses are available every ½ hour from Kusadasi bus station. It is about 1 hour and 15 minutes drive from Kusadasi. If you want to go on your own,taking a map is highly advisable.
Don't forget to Visit Ephesus, Ephesus Tours from Izmir