state taxes would be entered on the federal side.
as you enter your w2 fill in all boxes including what you paid to GA ( the state of GA return will pull these number to the GA return)
if you made est , other state income tax payments, applied last years refund on the federal tab, on the deductions & credits , look for the section marked Estimates and other taxes paid. these will all pull to the GA return.
There is an adjustment for G2 payments but in GA return you just list them as G2 payments ( the program will then move them out of EST into G2 payments.
