Former name for Burkina-Faso (5,5)
I believe the answer is:
upper volta
(Other definitions for upper volta that I've seen before include "Pre-1984 name for Burkina Faso" , "Former name (until 1984) of Burkina-Faso" , "old country" , "Former name of Burkina Faso; popular vet (anag.)" .)