Southern states of the US (5)
I believe the answer is:
dixie
'southern states of the us' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for dixie that I've seen before include "Name given to southern US states" , "Southern states of USA - and a rousing song" , "Seceding states" , "military vessel" , "Southern states that seceded from the USA in 1861" .)