Journeys to see Spain in defeats (6)
I believe the answer is:
routes
'journeys' is the definition.
(I've seen this before)
'spain in defeats' is the wordplay.
'spain' becomes 'e' (abbreviation for Espana).
'in' indicates putting letters inside.
'defeats' becomes 'routs' (routing is a kind of defeating).
'e' going inside 'routs' is 'ROUTES'.
'to see' acts as a link.
(Other definitions for routes that I've seen before include "passages" , "Ways travelled on regular journeys" , "Ways to go, itineraries" , "Courses travelled" , "Ways from A to B" .)