Go to Devlet,find your way to the Tourist Information/help desk,on the left hand side as you go in the main entrance.
They will guide you through the whole procedure,you will have to see the doctor first,the cost recently to see the doc,two Xrays and an MRI scan 90 TL.[MRI scan in the UK quoted £300].longest wait,to get registered,then all else done in less than two hours,including getting the photos.